18195151

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 21661920

約数和(自身を除く): 3466769

約数列:

[1, 13, 17, 29, 167, 221, 289, 377, 493, 2171, 2839, 3757, 4843, 6409, 8381, 36907, 48263, 62959, 82331, 108953, 627419, 1070303, 1399627, 18195151]

約数ペア:

[(1, 18195151), (13, 1399627), (17, 1070303), (29, 627419), (167, 108953), (221, 82331), (289, 62959), (377, 48263), (493, 36907), (2171, 8381), (2839, 6409), (3757, 4843)]