19498790

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10103}}^1$

素因数の和:10303

約数の個数: 16

約数和(自身を含む): 35283168

約数和(自身を除く): 15784378

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 10103, 20206, 50515, 101030, 1949879, 3899758, 9749395, 19498790]

約数ペア:

[(1, 19498790), (2, 9749395), (5, 3899758), (10, 1949879), (193, 101030), (386, 50515), (965, 20206), (1930, 10103)]