19847643

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{919}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 27732480

約数和(自身を除く): 7884837

約数列:

[1, 3, 23, 69, 313, 919, 939, 2757, 7199, 21137, 21597, 63411, 287647, 862941, 6615881, 19847643]

約数ペア:

[(1, 19847643), (3, 6615881), (23, 862941), (69, 287647), (313, 63411), (919, 21597), (939, 21137), (2757, 7199)]