19611455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4978

約数の個数: 16

約数和(自身を含む): 25453440

約数和(自身を除く): 5841985

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 4909, 24545, 83453, 230723, 417265, 1153615, 3922291, 19611455]

約数ペア:

[(1, 19611455), (5, 3922291), (17, 1153615), (47, 417265), (85, 230723), (235, 83453), (799, 24545), (3995, 4909)]