19667384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223493}}^1$

素因数の和:223510

約数の個数: 16

約数和(自身を含む): 40228920

約数和(自身を除く): 20561536

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223493, 446986, 893972, 1787944, 2458423, 4916846, 9833692, 19667384]

約数ペア:

[(1, 19667384), (2, 9833692), (4, 4916846), (8, 2458423), (11, 1787944), (22, 893972), (44, 446986), (88, 223493)]