18266661

素因数分解:

$3^3\times 7^2\times {\mathrm{13807}}^1$

素因数の和:13830

約数の個数: 24

約数和(自身を含む): 31482240

約数和(自身を除く): 13215579

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13807, 41421, 96649, 124263, 289947, 372789, 676543, 869841, 2029629, 2609523, 6088887, 18266661]

約数ペア:

[(1, 18266661), (3, 6088887), (7, 2609523), (9, 2029629), (21, 869841), (27, 676543), (49, 372789), (63, 289947), (147, 124263), (189, 96649), (441, 41421), (1323, 13807)]