19265548

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 34871760

約数和(自身を除く): 15606212

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1109, 2218, 4343, 4436, 8686, 17372, 47687, 95374, 112009, 190748, 224018, 448036, 4816387, 9632774, 19265548]

約数ペア:

[(1, 19265548), (2, 9632774), (4, 4816387), (43, 448036), (86, 224018), (101, 190748), (172, 112009), (202, 95374), (404, 47687), (1109, 17372), (2218, 8686), (4343, 4436)]