19879528045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{709603}}^1$

素因数の和:710052

約数の個数: 16

約数和(自身を含む): 25750109952

約数和(自身を除く): 5870581907

約数列:

[1, 5, 13, 65, 431, 2155, 5603, 28015, 709603, 3548015, 9224839, 46124195, 305838893, 1529194465, 3975905609, 19879528045]

約数ペア:

[(1, 19879528045), (5, 3975905609), (13, 1529194465), (65, 305838893), (431, 46124195), (2155, 9224839), (5603, 3548015), (28015, 709603)]