18090915038

素因数分解:

$2^1\times 7^1\times {\mathrm{312203}}^1\times {\mathrm{4139}}^1$

素因数の和:316351

約数の個数: 16

約数和(自身を含む): 31020589440

約数和(自身を除く): 12929674402

約数列:

[1, 2, 7, 14, 4139, 8278, 28973, 57946, 312203, 624406, 2185421, 4370842, 1292208217, 2584416434, 9045457519, 18090915038]

約数ペア:

[(1, 18090915038), (2, 9045457519), (7, 2584416434), (14, 1292208217), (4139, 4370842), (8278, 2185421), (28973, 624406), (57946, 312203)]