18468020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3593}}^1$

素因数の和:3859

約数の個数: 24

約数和(自身を含む): 38944584

約数和(自身を除く): 20476564

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3593, 5140, 7186, 14372, 17965, 35930, 71860, 923401, 1846802, 3693604, 4617005, 9234010, 18468020]

約数ペア:

[(1, 18468020), (2, 9234010), (4, 4617005), (5, 3693604), (10, 1846802), (20, 923401), (257, 71860), (514, 35930), (1028, 17965), (1285, 14372), (2570, 7186), (3593, 5140)]