18090740

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2089}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 38096520

約数和(自身を除く): 20005780

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2089, 2165, 4178, 4330, 8356, 8660, 10445, 20890, 41780, 904537, 1809074, 3618148, 4522685, 9045370, 18090740]

約数ペア:

[(1, 18090740), (2, 9045370), (4, 4522685), (5, 3618148), (10, 1809074), (20, 904537), (433, 41780), (866, 20890), (1732, 10445), (2089, 8660), (2165, 8356), (4178, 4330)]