18828931

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2634

約数の個数: 12

約数和(自身を含む): 21043792

約数和(自身を除く): 2214861

約数列:

[1, 11, 61, 121, 671, 2551, 7381, 28061, 155611, 308671, 1711721, 18828931]

約数ペア:

[(1, 18828931), (11, 1711721), (61, 308671), (121, 155611), (671, 28061), (2551, 7381)]