18660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 52416

約数和(自身を除く): 33756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1244, 1555, 1866, 3110, 3732, 4665, 6220, 9330, 18660]

約数ペア:

[(1, 18660), (2, 9330), (3, 6220), (4, 4665), (5, 3732), (6, 3110), (10, 1866), (12, 1555), (15, 1244), (20, 933), (30, 622), (60, 311)]