18515223

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{1277}}^1$

素因数の和:1468

約数の個数: 20

約数和(自身を含む): 27834840

約数和(自身を除く): 9319617

約数列:

[1, 3, 9, 27, 81, 179, 537, 1277, 1611, 3831, 4833, 11493, 14499, 34479, 103437, 228583, 685749, 2057247, 6171741, 18515223]

約数ペア:

[(1, 18515223), (3, 6171741), (9, 2057247), (27, 685749), (81, 228583), (179, 103437), (537, 34479), (1277, 14499), (1611, 11493), (3831, 4833)]