19587020

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2143}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 41241984

約数和(自身を除く): 21654964

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2143, 2285, 4286, 4570, 8572, 9140, 10715, 21430, 42860, 979351, 1958702, 3917404, 4896755, 9793510, 19587020]

約数ペア:

[(1, 19587020), (2, 9793510), (4, 4896755), (5, 3917404), (10, 1958702), (20, 979351), (457, 42860), (914, 21430), (1828, 10715), (2143, 9140), (2285, 8572), (4286, 4570)]