18638521202

素因数分解:

$2^1\times 7^1\times {\mathrm{66179}}^1\times {\mathrm{20117}}^1$

素因数の和:86305

約数の個数: 16

約数和(自身を含む): 31953821760

約数和(自身を除く): 13315300558

約数列:

[1, 2, 7, 14, 20117, 40234, 66179, 132358, 140819, 281638, 463253, 926506, 1331322943, 2662645886, 9319260601, 18638521202]

約数ペア:

[(1, 18638521202), (2, 9319260601), (7, 2662645886), (14, 1331322943), (20117, 926506), (40234, 463253), (66179, 281638), (132358, 140819)]