19813255745

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{4397}}^1\times {\mathrm{13451}}^1$

素因数の和:17920

約数の個数: 16

約数和(自身を含む): 24138053568

約数和(自身を除く): 4324797823

約数列:

[1, 5, 67, 335, 4397, 13451, 21985, 67255, 294599, 901217, 1472995, 4506085, 59144047, 295720235, 3962651149, 19813255745]

約数ペア:

[(1, 19813255745), (5, 3962651149), (67, 295720235), (335, 59144047), (4397, 4506085), (13451, 1472995), (21985, 901217), (67255, 294599)]