18891018

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{24407}}^1$

素因数の和:24458

約数の個数: 24

約数和(自身を含む): 41884128

約数和(自身を除く): 22993110

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 24407, 48814, 73221, 146442, 219663, 439326, 1049501, 2099002, 3148503, 6297006, 9445509, 18891018]

約数ペア:

[(1, 18891018), (2, 9445509), (3, 6297006), (6, 3148503), (9, 2099002), (18, 1049501), (43, 439326), (86, 219663), (129, 146442), (258, 73221), (387, 48814), (774, 24407)]