18166660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47807}}^1$

素因数の和:47835

約数の個数: 24

約数和(自身を含む): 40158720

約数和(自身を除く): 21992060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47807, 95614, 191228, 239035, 478070, 908333, 956140, 1816666, 3633332, 4541665, 9083330, 18166660]

約数ペア:

[(1, 18166660), (2, 9083330), (4, 4541665), (5, 3633332), (10, 1816666), (19, 956140), (20, 908333), (38, 478070), (76, 239035), (95, 191228), (190, 95614), (380, 47807)]