Q: What is the sum of all factors of the number 19,719 excluding 19,719?
A: 12,937
The factors of the number 19,719 are: 1, 3, 7, 9, 21, 63, 313, 939, 2191, 2817, 6573, 19719.
If you add them up, you will get the total of 19,731. Now subtract 19,719 to get 12,937