18561820

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3851}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 39151728

約数和(自身を除く): 20589908

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 3851, 4820, 7702, 15404, 19255, 38510, 77020, 928091, 1856182, 3712364, 4640455, 9280910, 18561820]

約数ペア:

[(1, 18561820), (2, 9280910), (4, 4640455), (5, 3712364), (10, 1856182), (20, 928091), (241, 77020), (482, 38510), (964, 19255), (1205, 15404), (2410, 7702), (3851, 4820)]