18680321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1960

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 3092479

約数列:

[1, 11, 29, 31, 319, 341, 899, 1889, 9889, 20779, 54781, 58559, 602591, 644149, 1698211, 18680321]

約数ペア:

[(1, 18680321), (11, 1698211), (29, 644149), (31, 602591), (319, 58559), (341, 54781), (899, 20779), (1889, 9889)]