18327620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5297}}^1$

素因数の和:5479

約数の個数: 24

約数和(自身を含む): 38717784

約数和(自身を除く): 20390164

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5297, 10594, 21188, 26485, 52970, 105940, 916381, 1832762, 3665524, 4581905, 9163810, 18327620]

約数ペア:

[(1, 18327620), (2, 9163810), (4, 4581905), (5, 3665524), (10, 1832762), (20, 916381), (173, 105940), (346, 52970), (692, 26485), (865, 21188), (1730, 10594), (3460, 5297)]