18869945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 24024000

約数和(自身を除く): 5154055

約数列:

[1, 5, 19, 95, 139, 695, 1429, 2641, 7145, 13205, 27151, 135755, 198631, 993155, 3773989, 18869945]

約数ペア:

[(1, 18869945), (5, 3773989), (19, 993155), (95, 198631), (139, 135755), (695, 27151), (1429, 13205), (2641, 7145)]