18783973

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 20998656

約数和(自身を除く): 2214683

約数列:

[1, 13, 47, 71, 433, 611, 923, 3337, 5629, 20351, 30743, 43381, 264563, 399659, 1444921, 18783973]

約数ペア:

[(1, 18783973), (13, 1444921), (47, 399659), (71, 264563), (433, 43381), (611, 30743), (923, 20351), (3337, 5629)]