18769718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20809}}^1$

素因数の和:20863

約数の個数: 16

約数和(自身を含む): 31464720

約数和(自身を除く): 12695002

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20809, 41618, 228899, 457798, 853169, 1706338, 9384859, 18769718]

約数ペア:

[(1, 18769718), (2, 9384859), (11, 1706338), (22, 853169), (41, 457798), (82, 228899), (451, 41618), (902, 20809)]