17907215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{809}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 22744800

約数和(自身を除く): 4837585

約数列:

[1, 5, 19, 95, 233, 809, 1165, 4045, 4427, 15371, 22135, 76855, 188497, 942485, 3581443, 17907215]

約数ペア:

[(1, 17907215), (5, 3581443), (19, 942485), (95, 188497), (233, 76855), (809, 22135), (1165, 15371), (4045, 4427)]