19898085

素因数分解:

$3^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1871}}^1$

素因数の和:2588

約数の個数: 16

約数和(自身を含む): 31898880

約数和(自身を除く): 12000795

約数列:

[1, 3, 5, 15, 709, 1871, 2127, 3545, 5613, 9355, 10635, 28065, 1326539, 3979617, 6632695, 19898085]

約数ペア:

[(1, 19898085), (3, 6632695), (5, 3979617), (15, 1326539), (709, 28065), (1871, 10635), (2127, 9355), (3545, 5613)]