19992540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333209}}^1$

素因数の和:333221

約数の個数: 24

約数和(自身を含む): 55979280

約数和(自身を除く): 35986740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333209, 666418, 999627, 1332836, 1666045, 1999254, 3332090, 3998508, 4998135, 6664180, 9996270, 19992540]

約数ペア:

[(1, 19992540), (2, 9996270), (3, 6664180), (4, 4998135), (5, 3998508), (6, 3332090), (10, 1999254), (12, 1666045), (15, 1332836), (20, 999627), (30, 666418), (60, 333209)]