18738660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{312311}}^1$

素因数の和:312323

約数の個数: 24

約数和(自身を含む): 52468416

約数和(自身を除く): 33729756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 312311, 624622, 936933, 1249244, 1561555, 1873866, 3123110, 3747732, 4684665, 6246220, 9369330, 18738660]

約数ペア:

[(1, 18738660), (2, 9369330), (3, 6246220), (4, 4684665), (5, 3747732), (6, 3123110), (10, 1873866), (12, 1561555), (15, 1249244), (20, 936933), (30, 624622), (60, 312311)]