20171213912

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19853557}}^1$

素因数の和:19853690

約数の個数: 16

約数和(自身を含む): 38118831360

約数和(自身を除く): 17947617448

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19853557, 39707114, 79414228, 158828456, 2521401739, 5042803478, 10085606956, 20171213912]

約数ペア:

[(1, 20171213912), (2, 10085606956), (4, 5042803478), (8, 2521401739), (127, 158828456), (254, 79414228), (508, 39707114), (1016, 19853557)]