18027895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 22560768

約数和(自身を除く): 4532873

約数列:

[1, 5, 31, 107, 155, 535, 1087, 3317, 5435, 16585, 33697, 116309, 168485, 581545, 3605579, 18027895]

約数ペア:

[(1, 18027895), (5, 3605579), (31, 581545), (107, 168485), (155, 116309), (535, 33697), (1087, 16585), (3317, 5435)]