4197820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19081}}^1$

素因数の和:19101

約数の個数: 24

約数和(自身を含む): 9617328

約数和(自身を除く): 5419508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19081, 38162, 76324, 95405, 190810, 209891, 381620, 419782, 839564, 1049455, 2098910, 4197820]

約数ペア:

[(1, 4197820), (2, 2098910), (4, 1049455), (5, 839564), (10, 419782), (11, 381620), (20, 209891), (22, 190810), (44, 95405), (55, 76324), (110, 38162), (220, 19081)]