19896349

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 22720320

約数和(自身を除く): 2823971

約数列:

[1, 11, 29, 97, 319, 643, 1067, 2813, 7073, 18647, 30943, 62371, 205117, 686081, 1808759, 19896349]

約数ペア:

[(1, 19896349), (11, 1808759), (29, 686081), (97, 205117), (319, 62371), (643, 30943), (1067, 18647), (2813, 7073)]