18401617

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 20692672

約数和(自身を除く): 2291055

約数列:

[1, 13, 37, 67, 481, 571, 871, 2479, 7423, 21127, 32227, 38257, 274651, 497341, 1415509, 18401617]

約数ペア:

[(1, 18401617), (13, 1415509), (37, 497341), (67, 274651), (481, 38257), (571, 32227), (871, 21127), (2479, 7423)]