1813303790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2553949}}^1$

素因数の和:2554027

約数の個数: 16

約数和(自身を含む): 3309919200

約数和(自身を除く): 1496615410

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2553949, 5107898, 12769745, 25539490, 181330379, 362660758, 906651895, 1813303790]

約数ペア:

[(1, 1813303790), (2, 906651895), (5, 362660758), (10, 181330379), (71, 25539490), (142, 12769745), (355, 5107898), (710, 2553949)]