18975490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{99871}}^1$

素因数の和:99897

約数の個数: 16

約数和(自身を含む): 35953920

約数和(自身を除く): 16978430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 99871, 199742, 499355, 998710, 1897549, 3795098, 9487745, 18975490]

約数ペア:

[(1, 18975490), (2, 9487745), (5, 3795098), (10, 1897549), (19, 998710), (38, 499355), (95, 199742), (190, 99871)]