18516568

素因数分解:

$2^3\times 7^1\times {\mathrm{330653}}^1$

素因数の和:330666

約数の個数: 16

約数和(自身を含む): 39678480

約数和(自身を除く): 21161912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 330653, 661306, 1322612, 2314571, 2645224, 4629142, 9258284, 18516568]

約数ペア:

[(1, 18516568), (2, 9258284), (4, 4629142), (7, 2645224), (8, 2314571), (14, 1322612), (28, 661306), (56, 330653)]