19507268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443347}}^1$

素因数の和:443362

約数の個数: 12

約数和(自身を含む): 37241232

約数和(自身を除く): 17733964

約数列:

[1, 2, 4, 11, 22, 44, 443347, 886694, 1773388, 4876817, 9753634, 19507268]

約数ペア:

[(1, 19507268), (2, 9753634), (4, 4876817), (11, 1773388), (22, 886694), (44, 443347)]