19957709569

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1\times {\mathrm{82039}}^1$

素因数の和:83580

約数の個数: 16

約数和(自身を含む): 23816540160

約数和(自身を除く): 3858830591

約数列:

[1, 7, 23, 161, 1511, 10577, 34753, 82039, 243271, 574273, 1886897, 13208279, 123960929, 867726503, 2851101367, 19957709569]

約数ペア:

[(1, 19957709569), (7, 2851101367), (23, 867726503), (161, 123960929), (1511, 13208279), (10577, 1886897), (34753, 574273), (82039, 243271)]