20191777190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155321363}}^1$

素因数の和:155321383

約数の個数: 16

約数和(自身を含む): 39140983728

約数和(自身を除く): 18949206538

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155321363, 310642726, 776606815, 1553213630, 2019177719, 4038355438, 10095888595, 20191777190]

約数ペア:

[(1, 20191777190), (2, 10095888595), (5, 4038355438), (10, 2019177719), (13, 1553213630), (26, 776606815), (65, 310642726), (130, 155321363)]