19489016

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{10193}}^1$

素因数の和:10438

約数の個数: 16

約数和(自身を含む): 36698400

約数和(自身を除く): 17209384

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 10193, 20386, 40772, 81544, 2436127, 4872254, 9744508, 19489016]

約数ペア:

[(1, 19489016), (2, 9744508), (4, 4872254), (8, 2436127), (239, 81544), (478, 40772), (956, 20386), (1912, 10193)]