18604467

素因数分解:

$3^2\times 7^2\times {\mathrm{42187}}^1$

素因数の和:42207

約数の個数: 18

約数和(自身を含む): 31261308

約数和(自身を除く): 12656841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 42187, 126561, 295309, 379683, 885927, 2067163, 2657781, 6201489, 18604467]

約数ペア:

[(1, 18604467), (3, 6201489), (7, 2657781), (9, 2067163), (21, 885927), (49, 379683), (63, 295309), (147, 126561), (441, 42187)]