18883397

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 21672000

約数和(自身を除く): 2788603

約数列:

[1, 13, 19, 89, 247, 859, 1157, 1691, 11167, 16321, 21983, 76451, 212173, 993863, 1452569, 18883397]

約数ペア:

[(1, 18883397), (13, 1452569), (19, 993863), (89, 212173), (247, 76451), (859, 21983), (1157, 16321), (1691, 11167)]