18508910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3347}}^1$

素因数の和:3440

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 20060050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3347, 5530, 6694, 16735, 23429, 33470, 46858, 117145, 234290, 264413, 528826, 1322065, 1850891, 2644130, 3701782, 9254455, 18508910]

約数ペア:

[(1, 18508910), (2, 9254455), (5, 3701782), (7, 2644130), (10, 1850891), (14, 1322065), (35, 528826), (70, 264413), (79, 234290), (158, 117145), (395, 46858), (553, 33470), (790, 23429), (1106, 16735), (2765, 6694), (3347, 5530)]