18887679999

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{24281}}^1\times {\mathrm{4549}}^1$

素因数の和:28855

約数の個数: 24

約数和(自身を含む): 28725606000

約数和(自身を除く): 9837926001

約数列:

[1, 3, 9, 19, 57, 171, 4549, 13647, 24281, 40941, 72843, 86431, 218529, 259293, 461339, 777879, 1384017, 4152051, 110454269, 331362807, 994088421, 2098631111, 6295893333, 18887679999]

約数ペア:

[(1, 18887679999), (3, 6295893333), (9, 2098631111), (19, 994088421), (57, 331362807), (171, 110454269), (4549, 4152051), (13647, 1384017), (24281, 777879), (40941, 461339), (72843, 259293), (86431, 218529)]