18680820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311347}}^1$

素因数の和:311359

約数の個数: 24

約数和(自身を含む): 52306464

約数和(自身を除く): 33625644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311347, 622694, 934041, 1245388, 1556735, 1868082, 3113470, 3736164, 4670205, 6226940, 9340410, 18680820]

約数ペア:

[(1, 18680820), (2, 9340410), (3, 6226940), (4, 4670205), (5, 3736164), (6, 3113470), (10, 1868082), (12, 1556735), (15, 1245388), (20, 934041), (30, 622694), (60, 311347)]