20168099518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75819923}}^1$

素因数の和:75819951

約数の個数: 16

約数和(自身を含む): 36393563520

約数和(自身を除く): 16225464002

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75819923, 151639846, 530739461, 1061478922, 1440578537, 2881157074, 10084049759, 20168099518]

約数ペア:

[(1, 20168099518), (2, 10084049759), (7, 2881157074), (14, 1440578537), (19, 1061478922), (38, 530739461), (133, 151639846), (266, 75819923)]