18548980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31981}}^1$

素因数の和:32019

約数の個数: 24

約数和(自身を含む): 40297320

約数和(自身を除く): 21748340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31981, 63962, 127924, 159905, 319810, 639620, 927449, 1854898, 3709796, 4637245, 9274490, 18548980]

約数ペア:

[(1, 18548980), (2, 9274490), (4, 4637245), (5, 3709796), (10, 1854898), (20, 927449), (29, 639620), (58, 319810), (116, 159905), (145, 127924), (290, 63962), (580, 31981)]