19453606520

素因数分解:

$2^3\times 5^1\times {\mathrm{486340163}}^1$

素因数の和:486340174

約数の個数: 16

約数和(自身を含む): 43770614760

約数和(自身を除く): 24317008240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486340163, 972680326, 1945360652, 2431700815, 3890721304, 4863401630, 9726803260, 19453606520]

約数ペア:

[(1, 19453606520), (2, 9726803260), (4, 4863401630), (5, 3890721304), (8, 2431700815), (10, 1945360652), (20, 972680326), (40, 486340163)]