18674181

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 27840384

約数和(自身を除く): 9166203

約数列:

[1, 3, 9, 47, 131, 141, 337, 393, 423, 1011, 1179, 3033, 6157, 15839, 18471, 44147, 47517, 55413, 132441, 142551, 397323, 2074909, 6224727, 18674181]

約数ペア:

[(1, 18674181), (3, 6224727), (9, 2074909), (47, 397323), (131, 142551), (141, 132441), (337, 55413), (393, 47517), (423, 44147), (1011, 18471), (1179, 15839), (3033, 6157)]