19021255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4871}}^1$

素因数の和:4958

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 6235193

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 4871, 24355, 53581, 267905, 345841, 1729205, 3804251, 19021255]

約数ペア:

[(1, 19021255), (5, 3804251), (11, 1729205), (55, 345841), (71, 267905), (355, 53581), (781, 24355), (3905, 4871)]