18265340

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5279}}^1$

素因数の和:5461

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 20320900

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5279, 10558, 21116, 26395, 52790, 105580, 913267, 1826534, 3653068, 4566335, 9132670, 18265340]

約数ペア:

[(1, 18265340), (2, 9132670), (4, 4566335), (5, 3653068), (10, 1826534), (20, 913267), (173, 105580), (346, 52790), (692, 26395), (865, 21116), (1730, 10558), (3460, 5279)]