19875317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{719}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 5007883

約数列:

[1, 7, 11, 77, 359, 719, 2513, 3949, 5033, 7909, 27643, 55363, 258121, 1806847, 2839331, 19875317]

約数ペア:

[(1, 19875317), (7, 2839331), (11, 1806847), (77, 258121), (359, 55363), (719, 27643), (2513, 7909), (3949, 5033)]