18087561

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 27772680

約数和(自身を除く): 9685119

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 1873, 3219, 5619, 9657, 16857, 54317, 69301, 162951, 207903, 488853, 623709, 2009729, 6029187, 18087561]

約数ペア:

[(1, 18087561), (3, 6029187), (9, 2009729), (29, 623709), (37, 488853), (87, 207903), (111, 162951), (261, 69301), (333, 54317), (1073, 16857), (1873, 9657), (3219, 5619)]