18935127

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13751}}^1$

素因数の和:13780

約数の個数: 20

約数和(自身を含む): 29951856

約数和(自身を除く): 11016729

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13751, 41253, 123759, 233767, 371277, 701301, 1113831, 2103903, 6311709, 18935127]

約数ペア:

[(1, 18935127), (3, 6311709), (9, 2103903), (17, 1113831), (27, 701301), (51, 371277), (81, 233767), (153, 123759), (459, 41253), (1377, 13751)]