18870610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9029}}^1$

素因数の和:9066

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 20138990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9029, 18058, 45145, 90290, 99319, 171551, 198638, 343102, 496595, 857755, 993190, 1715510, 1887061, 3774122, 9435305, 18870610]

約数ペア:

[(1, 18870610), (2, 9435305), (5, 3774122), (10, 1887061), (11, 1715510), (19, 993190), (22, 857755), (38, 496595), (55, 343102), (95, 198638), (110, 171551), (190, 99319), (209, 90290), (418, 45145), (1045, 18058), (2090, 9029)]