18175240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10567}}^1$

素因数の和:10621

約数の個数: 32

約数和(自身を含む): 41849280

約数和(自身を除く): 23674040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10567, 21134, 42268, 52835, 84536, 105670, 211340, 422680, 454381, 908762, 1817524, 2271905, 3635048, 4543810, 9087620, 18175240]

約数ペア:

[(1, 18175240), (2, 9087620), (4, 4543810), (5, 3635048), (8, 2271905), (10, 1817524), (20, 908762), (40, 454381), (43, 422680), (86, 211340), (172, 105670), (215, 84536), (344, 52835), (430, 42268), (860, 21134), (1720, 10567)]