19813577985

素因数分解:

$3^2\times 5^1\times {\mathrm{9109}}^1\times {\mathrm{48337}}^1$

素因数の和:57457

約数の個数: 24

約数和(自身を含む): 34348016040

約数和(自身を除く): 14534438055

約数列:

[1, 3, 5, 9, 15, 45, 9109, 27327, 45545, 48337, 81981, 136635, 145011, 241685, 409905, 435033, 725055, 2175165, 440301733, 1320905199, 2201508665, 3962715597, 6604525995, 19813577985]

約数ペア:

[(1, 19813577985), (3, 6604525995), (5, 3962715597), (9, 2201508665), (15, 1320905199), (45, 440301733), (9109, 2175165), (27327, 725055), (45545, 435033), (48337, 409905), (81981, 241685), (136635, 145011)]