18328740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{305479}}^1$

素因数の和:305491

約数の個数: 24

約数和(自身を含む): 51320640

約数和(自身を除く): 32991900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 305479, 610958, 916437, 1221916, 1527395, 1832874, 3054790, 3665748, 4582185, 6109580, 9164370, 18328740]

約数ペア:

[(1, 18328740), (2, 9164370), (3, 6109580), (4, 4582185), (5, 3665748), (6, 3054790), (10, 1832874), (12, 1527395), (15, 1221916), (20, 916437), (30, 610958), (60, 305479)]