18639543

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{11657}}^1$

素因数の和:11714

約数の個数: 16

約数和(自身を含む): 27419616

約数和(自身を除く): 8780073

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 11657, 34971, 151541, 454623, 477937, 1433811, 6213181, 18639543]

約数ペア:

[(1, 18639543), (3, 6213181), (13, 1433811), (39, 477937), (41, 454623), (123, 151541), (533, 34971), (1599, 11657)]