19808547

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 29283408

約数和(自身を除く): 9474861

約数列:

[1, 3, 11, 33, 121, 197, 277, 363, 591, 831, 2167, 3047, 6501, 9141, 23837, 33517, 54569, 71511, 100551, 163707, 600259, 1800777, 6602849, 19808547]

約数ペア:

[(1, 19808547), (3, 6602849), (11, 1800777), (33, 600259), (121, 163707), (197, 100551), (277, 71511), (363, 54569), (591, 33517), (831, 23837), (2167, 9141), (3047, 6501)]