19996647

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6247}}^1$

素因数の和:6358

約数の個数: 16

約数和(自身を含む): 29390592

約数和(自身を除く): 9393945

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6247, 18741, 68717, 206151, 605959, 1817877, 6665549, 19996647]

約数ペア:

[(1, 19996647), (3, 6665549), (11, 1817877), (33, 605959), (97, 206151), (291, 68717), (1067, 18741), (3201, 6247)]