19056820

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4937}}^1$

素因数の和:5139

約数の個数: 24

約数和(自身を含む): 40234824

約数和(自身を除く): 21178004

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 4937, 9874, 19748, 24685, 49370, 98740, 952841, 1905682, 3811364, 4764205, 9528410, 19056820]

約数ペア:

[(1, 19056820), (2, 9528410), (4, 4764205), (5, 3811364), (10, 1905682), (20, 952841), (193, 98740), (386, 49370), (772, 24685), (965, 19748), (1930, 9874), (3860, 4937)]