19904776

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{12503}}^1$

素因数の和:12708

約数の個数: 16

約数和(自身を含む): 37512000

約数和(自身を除く): 17607224

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 12503, 25006, 50012, 100024, 2488097, 4976194, 9952388, 19904776]

約数ペア:

[(1, 19904776), (2, 9952388), (4, 4976194), (8, 2488097), (199, 100024), (398, 50012), (796, 25006), (1592, 12503)]