18814939

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 23058000

約数和(自身を除く): 4243061

約数列:

[1, 11, 13, 29, 143, 169, 319, 349, 377, 1859, 3839, 4147, 4537, 4901, 10121, 49907, 53911, 58981, 111331, 131573, 648791, 1447303, 1710449, 18814939]

約数ペア:

[(1, 18814939), (11, 1710449), (13, 1447303), (29, 648791), (143, 131573), (169, 111331), (319, 58981), (349, 53911), (377, 49907), (1859, 10121), (3839, 4901), (4147, 4537)]