18844345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 25363800

約数和(自身を除く): 6519455

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 769, 845, 1885, 3845, 4901, 9997, 22301, 24505, 49985, 111505, 129961, 289913, 649805, 1449565, 3768869, 18844345]

約数ペア:

[(1, 18844345), (5, 3768869), (13, 1449565), (29, 649805), (65, 289913), (145, 129961), (169, 111505), (377, 49985), (769, 24505), (845, 22301), (1885, 9997), (3845, 4901)]