18027580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47441}}^1$

素因数の和:47469

約数の個数: 24

約数和(自身を含む): 39851280

約数和(自身を除く): 21823700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47441, 94882, 189764, 237205, 474410, 901379, 948820, 1802758, 3605516, 4506895, 9013790, 18027580]

約数ペア:

[(1, 18027580), (2, 9013790), (4, 4506895), (5, 3605516), (10, 1802758), (19, 948820), (20, 901379), (38, 474410), (76, 237205), (95, 189764), (190, 94882), (380, 47441)]