Q: What is the sum of all factors of the number 11,388 excluding 11,388?
A: 17,620
The factors of the number 11,388 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1898, 2847, 3796, 5694, 11388.
If you add them up, you will get the total of 11,405. Now subtract 11,388 to get 17,620