18784443

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1049}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 7020357

約数列:

[1, 3, 47, 127, 141, 381, 1049, 3147, 5969, 17907, 49303, 133223, 147909, 399669, 6261481, 18784443]

約数ペア:

[(1, 18784443), (3, 6261481), (47, 399669), (127, 147909), (141, 133223), (381, 49303), (1049, 17907), (3147, 5969)]