18389360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20897}}^1$

素因数の和:20921

約数の個数: 40

約数和(自身を含む): 46644336

約数和(自身を除く): 28254976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20897, 41794, 83588, 104485, 167176, 208970, 229867, 334352, 417940, 459734, 835880, 919468, 1149335, 1671760, 1838936, 2298670, 3677872, 4597340, 9194680, 18389360]

約数ペア:

[(1, 18389360), (2, 9194680), (4, 4597340), (5, 3677872), (8, 2298670), (10, 1838936), (11, 1671760), (16, 1149335), (20, 919468), (22, 835880), (40, 459734), (44, 417940), (55, 334352), (80, 229867), (88, 208970), (110, 167176), (176, 104485), (220, 83588), (440, 41794), (880, 20897)]