18792697

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4001}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 23819904

約数和(自身を除く): 5027207

約数列:

[1, 7, 11, 61, 77, 427, 671, 4001, 4697, 28007, 44011, 244061, 308077, 1708427, 2684671, 18792697]

約数ペア:

[(1, 18792697), (7, 2684671), (11, 1708427), (61, 308077), (77, 244061), (427, 44011), (671, 28007), (4001, 4697)]