19616820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{326947}}^1$

素因数の和:326959

約数の個数: 24

約数和(自身を含む): 54927264

約数和(自身を除く): 35310444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 326947, 653894, 980841, 1307788, 1634735, 1961682, 3269470, 3923364, 4904205, 6538940, 9808410, 19616820]

約数ペア:

[(1, 19616820), (2, 9808410), (3, 6538940), (4, 4904205), (5, 3923364), (6, 3269470), (10, 1961682), (12, 1634735), (15, 1307788), (20, 980841), (30, 653894), (60, 326947)]