19509424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110849}}^1$

素因数の和:110868

約数の個数: 20

約数和(自身を含む): 41236200

約数和(自身を除く): 21726776

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110849, 221698, 443396, 886792, 1219339, 1773584, 2438678, 4877356, 9754712, 19509424]

約数ペア:

[(1, 19509424), (2, 9754712), (4, 4877356), (8, 2438678), (11, 1773584), (16, 1219339), (22, 886792), (44, 443396), (88, 221698), (176, 110849)]