18783681

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7043}}^1$

素因数の和:7180

約数の個数: 16

約数和(自身を含む): 28852224

約数和(自身を除く): 10068543

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7043, 21129, 49301, 147903, 894461, 2683383, 6261227, 18783681]

約数ペア:

[(1, 18783681), (3, 6261227), (7, 2683383), (21, 894461), (127, 147903), (381, 49301), (889, 21129), (2667, 7043)]