18581017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12011}}^1$

素因数の和:12048

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 5635175

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12011, 84077, 156143, 204187, 1093001, 1429309, 2654431, 18581017]

約数ペア:

[(1, 18581017), (7, 2654431), (13, 1429309), (17, 1093001), (91, 204187), (119, 156143), (221, 84077), (1547, 12011)]