18869852

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2161}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 34505520

約数和(自身を除く): 15635668

約数列:

[1, 2, 4, 37, 59, 74, 118, 148, 236, 2161, 2183, 4322, 4366, 8644, 8732, 79957, 127499, 159914, 254998, 319828, 509996, 4717463, 9434926, 18869852]

約数ペア:

[(1, 18869852), (2, 9434926), (4, 4717463), (37, 509996), (59, 319828), (74, 254998), (118, 159914), (148, 127499), (236, 79957), (2161, 8732), (2183, 8644), (4322, 4366)]