18843471

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 28383264

約数和(自身を除く): 9539793

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 797, 2391, 2627, 7173, 7881, 23643, 29489, 56587, 88467, 169761, 265401, 509283, 2093719, 6281157, 18843471]

約数ペア:

[(1, 18843471), (3, 6281157), (9, 2093719), (37, 509283), (71, 265401), (111, 169761), (213, 88467), (333, 56587), (639, 29489), (797, 23643), (2391, 7881), (2627, 7173)]