18937039

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 21369600

約数和(自身を除く): 2432561

約数列:

[1, 11, 41, 199, 211, 451, 2189, 2321, 8159, 8651, 41989, 89749, 95161, 461879, 1721549, 18937039]

約数ペア:

[(1, 18937039), (11, 1721549), (41, 461879), (199, 95161), (211, 89749), (451, 41989), (2189, 8651), (2321, 8159)]