19269794480

素因数分解:

$2^4\times 5^1\times {\mathrm{240872431}}^1$

素因数の和:240872444

約数の個数: 20

約数和(自身を含む): 44802272352

約数和(自身を除く): 25532477872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240872431, 481744862, 963489724, 1204362155, 1926979448, 2408724310, 3853958896, 4817448620, 9634897240, 19269794480]

約数ペア:

[(1, 19269794480), (2, 9634897240), (4, 4817448620), (5, 3853958896), (8, 2408724310), (10, 1926979448), (16, 1204362155), (20, 963489724), (40, 481744862), (80, 240872431)]