A:
Positive:
1 x 192060197 x 274371731 x 61954967 x 286657217 x 88507469 x 409511321 x 145392077 x 9247
Negative:
-1 x -19206019-7 x -2743717-31 x -619549-67 x -286657-217 x -88507-469 x -40951-1321 x -14539-2077 x -9247
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 19,206,019, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 19,206,019 | |
| -1 | -19,206,019 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 19,206,019.
Example:
1 x 19,206,019 = 19,206,019
and
-1 x -19,206,019 = 19,206,019
Notice both answers equal 19,206,019
With that explanation out of the way, let's continue. Next, we take the number 19,206,019 and divide it by 2:
19,206,019 ÷ 2 = 9,603,009.5
If the quotient is a whole number, then 2 and 9,603,009.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 19,206,019 | |
| -1 | -19,206,019 |
Now, we try dividing 19,206,019 by 3:
19,206,019 ÷ 3 = 6,402,006.3333
If the quotient is a whole number, then 3 and 6,402,006.3333 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 19,206,019 | |
| -1 | -19,206,019 |
Let's try dividing by 4:
19,206,019 ÷ 4 = 4,801,504.75
If the quotient is a whole number, then 4 and 4,801,504.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 19,206,019 | |
| -1 | 19,206,019 |
If you did it right, you will end up with this table:
| 1 | 7 | 31 | 67 | 217 | 469 | 1,321 | 2,077 | 9,247 | 14,539 | 40,951 | 88,507 | 286,657 | 619,549 | 2,743,717 | 19,206,019 |
| -1 | -7 | -31 | -67 | -217 | -469 | -1,321 | -2,077 | -9,247 | -14,539 | -40,951 | -88,507 | -286,657 | -619,549 | -2,743,717 | -19,206,019 |
Here are some more numbers to try:
Try the factor calculator