19816790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283097}}^1$

素因数の和:283111

約数の個数: 16

約数和(自身を含む): 40766112

約数和(自身を除く): 20949322

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283097, 566194, 1415485, 1981679, 2830970, 3963358, 9908395, 19816790]

約数ペア:

[(1, 19816790), (2, 9908395), (5, 3963358), (7, 2830970), (10, 1981679), (14, 1415485), (35, 566194), (70, 283097)]