1900644005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1538983}}^1$

素因数の和:1539020

約数の個数: 16

約数和(自身を含む): 2585493120

約数和(自身を除く): 684849115

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 1538983, 7694915, 20006779, 29240677, 100033895, 146203385, 380128801, 1900644005]

約数ペア:

[(1, 1900644005), (5, 380128801), (13, 146203385), (19, 100033895), (65, 29240677), (95, 20006779), (247, 7694915), (1235, 1538983)]