18528070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 36560160

約数和(自身を除く): 18032090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 433, 778, 866, 1945, 2165, 3890, 4279, 4330, 4763, 8558, 9526, 21395, 23815, 42790, 47630, 168437, 336874, 842185, 1684370, 1852807, 3705614, 9264035, 18528070]

約数ペア:

[(1, 18528070), (2, 9264035), (5, 3705614), (10, 1852807), (11, 1684370), (22, 842185), (55, 336874), (110, 168437), (389, 47630), (433, 42790), (778, 23815), (866, 21395), (1945, 9526), (2165, 8558), (3890, 4763), (4279, 4330)]