18175423

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 22120560

約数和(自身を除く): 3945137

約数列:

[1, 7, 41, 49, 83, 109, 287, 581, 763, 2009, 3403, 4067, 4469, 5341, 9047, 23821, 31283, 63329, 166747, 218981, 370927, 443303, 2596489, 18175423]

約数ペア:

[(1, 18175423), (7, 2596489), (41, 443303), (49, 370927), (83, 218981), (109, 166747), (287, 63329), (581, 31283), (763, 23821), (2009, 9047), (3403, 5341), (4067, 4469)]