18319365

素因数分解:

$3^4\times 5^1\times {\mathrm{45233}}^1$

素因数の和:45250

約数の個数: 20

約数和(自身を含む): 32839884

約数和(自身を除く): 14520519

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45233, 135699, 226165, 407097, 678495, 1221291, 2035485, 3663873, 6106455, 18319365]

約数ペア:

[(1, 18319365), (3, 6106455), (5, 3663873), (9, 2035485), (15, 1221291), (27, 678495), (45, 407097), (81, 226165), (135, 135699), (405, 45233)]