19690147160

素因数分解:

$2^3\times 5^1\times {\mathrm{492253679}}^1$

素因数の和:492253690

約数の個数: 16

約数和(自身を含む): 44302831200

約数和(自身を除く): 24612684040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 492253679, 984507358, 1969014716, 2461268395, 3938029432, 4922536790, 9845073580, 19690147160]

約数ペア:

[(1, 19690147160), (2, 9845073580), (4, 4922536790), (5, 3938029432), (8, 2461268395), (10, 1969014716), (20, 984507358), (40, 492253679)]