18454891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 22892800

約数和(自身を除く): 4437909

約数列:

[1, 7, 13, 91, 139, 973, 1459, 1807, 10213, 12649, 18967, 132769, 202801, 1419607, 2636413, 18454891]

約数ペア:

[(1, 18454891), (7, 2636413), (13, 1419607), (91, 202801), (139, 132769), (973, 18967), (1459, 12649), (1807, 10213)]