17966870

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6991}}^1$

素因数の和:7255

約数の個数: 16

約数和(自身を含む): 32470848

約数和(自身を除く): 14503978

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 6991, 13982, 34955, 69910, 1796687, 3593374, 8983435, 17966870]

約数ペア:

[(1, 17966870), (2, 8983435), (5, 3593374), (10, 1796687), (257, 69910), (514, 34955), (1285, 13982), (2570, 6991)]