19838819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19819}}^1$

素因数の和:19850

約数の個数: 16

約数和(自身を含む): 26638080

約数和(自身を除く): 6799261

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 19819, 138733, 218009, 257647, 1526063, 1803529, 2834117, 19838819]

約数ペア:

[(1, 19838819), (7, 2834117), (11, 1803529), (13, 1526063), (77, 257647), (91, 218009), (143, 138733), (1001, 19819)]