18227620

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3631}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 38441088

約数和(自身を除く): 20213468

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 3631, 5020, 7262, 14524, 18155, 36310, 72620, 911381, 1822762, 3645524, 4556905, 9113810, 18227620]

約数ペア:

[(1, 18227620), (2, 9113810), (4, 4556905), (5, 3645524), (10, 1822762), (20, 911381), (251, 72620), (502, 36310), (1004, 18155), (1255, 14524), (2510, 7262), (3631, 5020)]