17980568

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{42407}}^1$

素因数の和:42466

約数の個数: 16

約数和(自身を含む): 34350480

約数和(自身を除く): 16369912

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 42407, 84814, 169628, 339256, 2247571, 4495142, 8990284, 17980568]

約数ペア:

[(1, 17980568), (2, 8990284), (4, 4495142), (8, 2247571), (53, 339256), (106, 169628), (212, 84814), (424, 42407)]