19810792

素因数分解:

$2^3\times {\mathrm{809}}^1\times {\mathrm{3061}}^1$

素因数の和:3876

約数の個数: 16

約数和(自身を含む): 37203300

約数和(自身を除く): 17392508

約数列:

[1, 2, 4, 8, 809, 1618, 3061, 3236, 6122, 6472, 12244, 24488, 2476349, 4952698, 9905396, 19810792]

約数ペア:

[(1, 19810792), (2, 9905396), (4, 4952698), (8, 2476349), (809, 24488), (1618, 12244), (3061, 6472), (3236, 6122)]