19430361

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{2473}}^1$

素因数の和:2582

約数の個数: 20

約数和(自身を含む): 29336692

約数和(自身を除く): 9906331

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2473, 2619, 7419, 7857, 22257, 66771, 200313, 239881, 719643, 2158929, 6476787, 19430361]

約数ペア:

[(1, 19430361), (3, 6476787), (9, 2158929), (27, 719643), (81, 239881), (97, 200313), (291, 66771), (873, 22257), (2473, 7857), (2619, 7419)]