18676563

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2087}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 26392320

約数和(自身を除く): 7715757

約数列:

[1, 3, 19, 57, 157, 471, 2087, 2983, 6261, 8949, 39653, 118959, 327659, 982977, 6225521, 18676563]

約数ペア:

[(1, 18676563), (3, 6225521), (19, 982977), (57, 327659), (157, 118959), (471, 39653), (2087, 8949), (2983, 6261)]