1999619180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7690843}}^1$

素因数の和:7690865

約数の個数: 24

約数和(自身を含む): 4522216272

約数和(自身を除く): 2522597092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7690843, 15381686, 30763372, 38454215, 76908430, 99980959, 153816860, 199961918, 399923836, 499904795, 999809590, 1999619180]

約数ペア:

[(1, 1999619180), (2, 999809590), (4, 499904795), (5, 399923836), (10, 199961918), (13, 153816860), (20, 99980959), (26, 76908430), (52, 38454215), (65, 30763372), (130, 15381686), (260, 7690843)]