18156208

素因数分解:

$2^4\times 7^1\times {\mathrm{162109}}^1$

素因数の和:162124

約数の個数: 20

約数和(自身を含む): 40203280

約数和(自身を除く): 22047072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 162109, 324218, 648436, 1134763, 1296872, 2269526, 2593744, 4539052, 9078104, 18156208]

約数ペア:

[(1, 18156208), (2, 9078104), (4, 4539052), (7, 2593744), (8, 2269526), (14, 1296872), (16, 1134763), (28, 648436), (56, 324218), (112, 162109)]