2678128318

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{3709319}}^1$

素因数の和:3709359

約数の個数: 12

約数和(自身を含む): 4239752760

約数和(自身を除く): 1561624442

約数列:

[1, 2, 19, 38, 361, 722, 3709319, 7418638, 70477061, 140954122, 1339064159, 2678128318]

約数ペア:

[(1, 2678128318), (2, 1339064159), (19, 140954122), (38, 70477061), (361, 7418638), (722, 3709319)]