18418160

素因数分解:

$2^4\times 5^1\times {\mathrm{230227}}^1$

素因数の和:230240

約数の個数: 20

約数和(自身を含む): 42822408

約数和(自身を除く): 24404248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230227, 460454, 920908, 1151135, 1841816, 2302270, 3683632, 4604540, 9209080, 18418160]

約数ペア:

[(1, 18418160), (2, 9209080), (4, 4604540), (5, 3683632), (8, 2302270), (10, 1841816), (16, 1151135), (20, 920908), (40, 460454), (80, 230227)]