19418155

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2526

約数の個数: 16

約数和(自身を含む): 24498144

約数和(自身を除く): 5079989

約数列:

[1, 5, 37, 43, 185, 215, 1591, 2441, 7955, 12205, 90317, 104963, 451585, 524815, 3883631, 19418155]

約数ペア:

[(1, 19418155), (5, 3883631), (37, 524815), (43, 451585), (185, 104963), (215, 90317), (1591, 12205), (2441, 7955)]