18916468

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 34420680

約数和(自身を除く): 15504212

約数列:

[1, 2, 4, 29, 58, 116, 313, 521, 626, 1042, 1252, 2084, 9077, 15109, 18154, 30218, 36308, 60436, 163073, 326146, 652292, 4729117, 9458234, 18916468]

約数ペア:

[(1, 18916468), (2, 9458234), (4, 4729117), (29, 652292), (58, 326146), (116, 163073), (313, 60436), (521, 36308), (626, 30218), (1042, 18154), (1252, 15109), (2084, 9077)]