18648541

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 20490624

約数和(自身を除く): 1842083

約数列:

[1, 17, 43, 97, 263, 731, 1649, 4171, 4471, 11309, 25511, 70907, 192253, 433687, 1096973, 18648541]

約数ペア:

[(1, 18648541), (17, 1096973), (43, 433687), (97, 192253), (263, 70907), (731, 25511), (1649, 11309), (4171, 4471)]