19493864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{187441}}^1$

素因数の和:187460

約数の個数: 16

約数和(自身を含む): 39362820

約数和(自身を除く): 19868956

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 187441, 374882, 749764, 1499528, 2436733, 4873466, 9746932, 19493864]

約数ペア:

[(1, 19493864), (2, 9746932), (4, 4873466), (8, 2436733), (13, 1499528), (26, 749764), (52, 374882), (104, 187441)]