18920314

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71129}}^1$

素因数の和:71157

約数の個数: 16

約数和(自身を含む): 34142400

約数和(自身を除く): 15222086

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 71129, 142258, 497903, 995806, 1351451, 2702902, 9460157, 18920314]

約数ペア:

[(1, 18920314), (2, 9460157), (7, 2702902), (14, 1351451), (19, 995806), (38, 497903), (133, 142258), (266, 71129)]