Q: What is the sum of all factors of the number 1,888,139 excluding 1,888,139?
A: 392,821
The factors of the number 1,888,139 are: 1, 11, 17, 23, 187, 253, 391, 439, 4301, 4829, 7463, 10097, 82093, 111067, 171649, 1888139.
If you add them up, you will get the total of 1,888,531. Now subtract 1,888,139 to get 392,821