19662808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223441}}^1$

素因数の和:223458

約数の個数: 16

約数和(自身を含む): 40219560

約数和(自身を除く): 20556752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223441, 446882, 893764, 1787528, 2457851, 4915702, 9831404, 19662808]

約数ペア:

[(1, 19662808), (2, 9831404), (4, 4915702), (8, 2457851), (11, 1787528), (22, 893764), (44, 446882), (88, 223441)]