18288885

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4339}}^1$

素因数の和:4628

約数の個数: 16

約数和(自身を含む): 29373120

約数和(自身を除く): 11084235

約数列:

[1, 3, 5, 15, 281, 843, 1405, 4215, 4339, 13017, 21695, 65085, 1219259, 3657777, 6096295, 18288885]

約数ペア:

[(1, 18288885), (3, 6096295), (5, 3657777), (15, 1219259), (281, 65085), (843, 21695), (1405, 13017), (4215, 4339)]