19810797

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{16889}}^1$

素因数の和:16932

約数の個数: 16

約数和(自身を含む): 29185920

約数和(自身を除く): 9375123

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 16889, 50667, 287113, 388447, 861339, 1165341, 6603599, 19810797]

約数ペア:

[(1, 19810797), (3, 6603599), (17, 1165341), (23, 861339), (51, 388447), (69, 287113), (391, 50667), (1173, 16889)]