19786407

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{941}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 27189888

約数和(自身を除く): 7403481

約数列:

[1, 3, 43, 129, 163, 489, 941, 2823, 7009, 21027, 40463, 121389, 153383, 460149, 6595469, 19786407]

約数ペア:

[(1, 19786407), (3, 6595469), (43, 460149), (129, 153383), (163, 121389), (489, 40463), (941, 21027), (2823, 7009)]