19957170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{665239}}^1$

素因数の和:665249

約数の個数: 16

約数和(自身を含む): 47897280

約数和(自身を除く): 27940110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 665239, 1330478, 1995717, 3326195, 3991434, 6652390, 9978585, 19957170]

約数ペア:

[(1, 19957170), (2, 9978585), (3, 6652390), (5, 3991434), (6, 3326195), (10, 1995717), (15, 1330478), (30, 665239)]