18807255

素因数分解:

$3^3\times 5^1\times {\mathrm{139313}}^1$

素因数の和:139327

約数の個数: 16

約数和(自身を含む): 33435360

約数和(自身を除く): 14628105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139313, 417939, 696565, 1253817, 2089695, 3761451, 6269085, 18807255]

約数ペア:

[(1, 18807255), (3, 6269085), (5, 3761451), (9, 2089695), (15, 1253817), (27, 696565), (45, 417939), (135, 139313)]