18943128

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{857}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 51531480

約数和(自身を除く): 32588352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 857, 921, 1228, 1714, 1842, 2456, 2571, 2763, 3428, 3684, 5142, 5526, 6856, 7368, 7713, 10284, 11052, 15426, 20568, 22104, 30852, 61704, 263099, 526198, 789297, 1052396, 1578594, 2104792, 2367891, 3157188, 4735782, 6314376, 9471564, 18943128]

約数ペア:

[(1, 18943128), (2, 9471564), (3, 6314376), (4, 4735782), (6, 3157188), (8, 2367891), (9, 2104792), (12, 1578594), (18, 1052396), (24, 789297), (36, 526198), (72, 263099), (307, 61704), (614, 30852), (857, 22104), (921, 20568), (1228, 15426), (1714, 11052), (1842, 10284), (2456, 7713), (2571, 7368), (2763, 6856), (3428, 5526), (3684, 5142)]