19946715

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10151}}^1$

素因数の和:10290

約数の個数: 16

約数和(自身を含む): 32161536

約数和(自身を除く): 12214821

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10151, 30453, 50755, 152265, 1329781, 3989343, 6648905, 19946715]

約数ペア:

[(1, 19946715), (3, 6648905), (5, 3989343), (15, 1329781), (131, 152265), (393, 50755), (655, 30453), (1965, 10151)]