17980936

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{10079}}^1$

素因数の和:10308

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 15887864

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 10079, 20158, 40316, 80632, 2247617, 4495234, 8990468, 17980936]

約数ペア:

[(1, 17980936), (2, 8990468), (4, 4495234), (8, 2247617), (223, 80632), (446, 40316), (892, 20158), (1784, 10079)]