18691374

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239633}}^1$

素因数の和:239651

約数の個数: 16

約数和(自身を含む): 40258512

約数和(自身を除く): 21567138

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239633, 479266, 718899, 1437798, 3115229, 6230458, 9345687, 18691374]

約数ペア:

[(1, 18691374), (2, 9345687), (3, 6230458), (6, 3115229), (13, 1437798), (26, 718899), (39, 479266), (78, 239633)]