19125555

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12379}}^1$

素因数の和:12490

約数の個数: 16

約数和(自身を含む): 30900480

約数和(自身を除く): 11774925

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 12379, 37137, 61895, 185685, 1275037, 3825111, 6375185, 19125555]

約数ペア:

[(1, 19125555), (3, 6375185), (5, 3825111), (15, 1275037), (103, 185685), (309, 61895), (515, 37137), (1545, 12379)]