18613221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{13757}}^1$

素因数の和:13812

約数の個数: 16

約数和(自身を含む): 27736128

約数和(自身を除く): 9122907

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 13757, 41271, 151327, 453981, 564037, 1692111, 6204407, 18613221]

約数ペア:

[(1, 18613221), (3, 6204407), (11, 1692111), (33, 564037), (41, 453981), (123, 151327), (451, 41271), (1353, 13757)]