17994680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40897}}^1$

素因数の和:40919

約数の個数: 32

約数和(自身を含む): 44169840

約数和(自身を除く): 26175160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 40897, 81794, 163588, 204485, 327176, 408970, 449867, 817940, 899734, 1635880, 1799468, 2249335, 3598936, 4498670, 8997340, 17994680]

約数ペア:

[(1, 17994680), (2, 8997340), (4, 4498670), (5, 3598936), (8, 2249335), (10, 1799468), (11, 1635880), (20, 899734), (22, 817940), (40, 449867), (44, 408970), (55, 327176), (88, 204485), (110, 163588), (220, 81794), (440, 40897)]