18149780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82499}}^1$

素因数の和:82519

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 23430220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82499, 164998, 329996, 412495, 824990, 907489, 1649980, 1814978, 3629956, 4537445, 9074890, 18149780]

約数ペア:

[(1, 18149780), (2, 9074890), (4, 4537445), (5, 3629956), (10, 1814978), (11, 1649980), (20, 907489), (22, 824990), (44, 412495), (55, 329996), (110, 164998), (220, 82499)]