18813916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10429}}^1$

素因数の和:10485

約数の個数: 24

約数和(自身を含む): 36797040

約数和(自身を除く): 17983124

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 10429, 20858, 41716, 114719, 229438, 427589, 458876, 855178, 1710356, 4703479, 9406958, 18813916]

約数ペア:

[(1, 18813916), (2, 9406958), (4, 4703479), (11, 1710356), (22, 855178), (41, 458876), (44, 427589), (82, 229438), (164, 114719), (451, 41716), (902, 20858), (1804, 10429)]