19860685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5009}}^1$

素因数の和:5088

約数の個数: 16

約数和(自身を含む): 26092080

約数和(自身を除く): 6231395

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 5009, 25045, 65117, 305549, 325585, 1527745, 3972137, 19860685]

約数ペア:

[(1, 19860685), (5, 3972137), (13, 1527745), (61, 325585), (65, 305549), (305, 65117), (793, 25045), (3965, 5009)]