18180010

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4049}}^1$

素因数の和:4505

約数の個数: 16

約数和(自身を含む): 32805000

約数和(自身を除く): 14624990

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4049, 4490, 8098, 20245, 40490, 1818001, 3636002, 9090005, 18180010]

約数ペア:

[(1, 18180010), (2, 9090005), (5, 3636002), (10, 1818001), (449, 40490), (898, 20245), (2245, 8098), (4049, 4490)]