18687429

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9853083

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 1451, 4293, 4353, 12879, 13059, 39177, 76903, 117531, 230709, 352593, 692127, 2076381, 6229143, 18687429]

約数ペア:

[(1, 18687429), (3, 6229143), (9, 2076381), (27, 692127), (53, 352593), (81, 230709), (159, 117531), (243, 76903), (477, 39177), (1431, 13059), (1451, 12879), (4293, 4353)]