19830009

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 27194112

約数和(自身を除く): 7364103

約数列:

[1, 3, 43, 129, 347, 443, 1041, 1329, 14921, 19049, 44763, 57147, 153721, 461163, 6610003, 19830009]

約数ペア:

[(1, 19830009), (3, 6610003), (43, 461163), (129, 153721), (347, 57147), (443, 44763), (1041, 19049), (1329, 14921)]