18127580

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1657}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 38160528

約数和(自身を除く): 20032948

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 1657, 2188, 2735, 3314, 5470, 6628, 8285, 10940, 16570, 33140, 906379, 1812758, 3625516, 4531895, 9063790, 18127580]

約数ペア:

[(1, 18127580), (2, 9063790), (4, 4531895), (5, 3625516), (10, 1812758), (20, 906379), (547, 33140), (1094, 16570), (1657, 10940), (2188, 8285), (2735, 6628), (3314, 5470)]