19819007

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 22041600

約数和(自身を除く): 2222593

約数列:

[1, 13, 47, 163, 199, 611, 2119, 2587, 7661, 9353, 32437, 99593, 121589, 421681, 1524539, 19819007]

約数ペア:

[(1, 19819007), (13, 1524539), (47, 421681), (163, 121589), (199, 99593), (611, 32437), (2119, 9353), (2587, 7661)]