18391923

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5021}}^1$

素因数の和:5075

約数の個数: 24

約数和(自身を含む): 29770416

約数和(自身を除く): 11378493

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5021, 15063, 45189, 55231, 165693, 185777, 497079, 557331, 1671993, 2043547, 6130641, 18391923]

約数ペア:

[(1, 18391923), (3, 6130641), (9, 2043547), (11, 1671993), (33, 557331), (37, 497079), (99, 185777), (111, 165693), (333, 55231), (407, 45189), (1221, 15063), (3663, 5021)]