11990995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1117}}^1$

素因数の和:1254

約数の個数: 16

約数和(自身を含む): 15294240

約数和(自身を除く): 3303245

約数列:

[1, 5, 19, 95, 113, 565, 1117, 2147, 5585, 10735, 21223, 106115, 126221, 631105, 2398199, 11990995]

約数ペア:

[(1, 11990995), (5, 2398199), (19, 631105), (95, 126221), (113, 106115), (565, 21223), (1117, 10735), (2147, 5585)]