Q: What is the sum of all factors of the number 19,591 excluding 19,591?
A: 3,593
The factors of the number 19,591 are: 1, 11, 13, 137, 143, 1507, 1781, 19591.
If you add them up, you will get the total of 19,594. Now subtract 19,591 to get 3,593