19640265850

素因数分解:

$2^1\times 5^2\times {\mathrm{392805317}}^1$

素因数の和:392805329

約数の個数: 12

約数和(自身を含む): 36530894574

約数和(自身を除く): 16890628724

約数列:

[1, 2, 5, 10, 25, 50, 392805317, 785610634, 1964026585, 3928053170, 9820132925, 19640265850]

約数ペア:

[(1, 19640265850), (2, 9820132925), (5, 3928053170), (10, 1964026585), (25, 785610634), (50, 392805317)]