18266680

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1459}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 41259600

約数和(自身を除く): 22992920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1459, 1565, 2504, 2918, 3130, 5836, 6260, 7295, 11672, 12520, 14590, 29180, 58360, 456667, 913334, 1826668, 2283335, 3653336, 4566670, 9133340, 18266680]

約数ペア:

[(1, 18266680), (2, 9133340), (4, 4566670), (5, 3653336), (8, 2283335), (10, 1826668), (20, 913334), (40, 456667), (313, 58360), (626, 29180), (1252, 14590), (1459, 12520), (1565, 11672), (2504, 7295), (2918, 6260), (3130, 5836)]