18791996

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66169}}^1$

素因数の和:66244

約数の個数: 12

約数和(自身を含む): 33349680

約数和(自身を除く): 14557684

約数列:

[1, 2, 4, 71, 142, 284, 66169, 132338, 264676, 4697999, 9395998, 18791996]

約数ペア:

[(1, 18791996), (2, 9395998), (4, 4697999), (71, 264676), (142, 132338), (284, 66169)]