18725825

素因数分解:

$5^2\times {\mathrm{193}}^1\times {\mathrm{3881}}^1$

素因数の和:4084

約数の個数: 12

約数和(自身を含む): 23346348

約数和(自身を除く): 4620523

約数列:

[1, 5, 25, 193, 965, 3881, 4825, 19405, 97025, 749033, 3745165, 18725825]

約数ペア:

[(1, 18725825), (5, 3745165), (25, 749033), (193, 97025), (965, 19405), (3881, 4825)]