18732020

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1543}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 39427584

約数和(自身を除く): 20695564

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1543, 2428, 3035, 3086, 6070, 6172, 7715, 12140, 15430, 30860, 936601, 1873202, 3746404, 4683005, 9366010, 18732020]

約数ペア:

[(1, 18732020), (2, 9366010), (4, 4683005), (5, 3746404), (10, 1873202), (20, 936601), (607, 30860), (1214, 15430), (1543, 12140), (2428, 7715), (3035, 6172), (3086, 6070)]