18756980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85259}}^1$

素因数の和:85279

約数の個数: 24

約数和(自身を含む): 42971040

約数和(自身を除く): 24214060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85259, 170518, 341036, 426295, 852590, 937849, 1705180, 1875698, 3751396, 4689245, 9378490, 18756980]

約数ペア:

[(1, 18756980), (2, 9378490), (4, 4689245), (5, 3751396), (10, 1875698), (11, 1705180), (20, 937849), (22, 852590), (44, 426295), (55, 341036), (110, 170518), (220, 85259)]