19814799

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1361}}^1$

素因数の和:1598

約数の個数: 16

約数和(自身を含む): 27719424

約数和(自身を除く): 7904625

約数列:

[1, 3, 23, 69, 211, 633, 1361, 4083, 4853, 14559, 31303, 93909, 287171, 861513, 6604933, 19814799]

約数ペア:

[(1, 19814799), (3, 6604933), (23, 861513), (69, 287171), (211, 93909), (633, 31303), (1361, 14559), (4083, 4853)]