1909820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8681}}^1$

素因数の和:8701

約数の個数: 24

約数和(自身を含む): 4375728

約数和(自身を除く): 2465908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8681, 17362, 34724, 43405, 86810, 95491, 173620, 190982, 381964, 477455, 954910, 1909820]

約数ペア:

[(1, 1909820), (2, 954910), (4, 477455), (5, 381964), (10, 190982), (11, 173620), (20, 95491), (22, 86810), (44, 43405), (55, 34724), (110, 17362), (220, 8681)]