19671718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 33439392

約数和(自身を除く): 13767674

約数列:

[1, 2, 11, 22, 41, 82, 113, 193, 226, 386, 451, 902, 1243, 2123, 2486, 4246, 4633, 7913, 9266, 15826, 21809, 43618, 50963, 87043, 101926, 174086, 239899, 479798, 894169, 1788338, 9835859, 19671718]

約数ペア:

[(1, 19671718), (2, 9835859), (11, 1788338), (22, 894169), (41, 479798), (82, 239899), (113, 174086), (193, 101926), (226, 87043), (386, 50963), (451, 43618), (902, 21809), (1243, 15826), (2123, 9266), (2486, 7913), (4246, 4633)]