18493420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84061}}^1$

素因数の和:84081

約数の個数: 24

約数和(自身を含む): 42367248

約数和(自身を除く): 23873828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84061, 168122, 336244, 420305, 840610, 924671, 1681220, 1849342, 3698684, 4623355, 9246710, 18493420]

約数ペア:

[(1, 18493420), (2, 9246710), (4, 4623355), (5, 3698684), (10, 1849342), (11, 1681220), (20, 924671), (22, 840610), (44, 420305), (55, 336244), (110, 168122), (220, 84061)]