18743219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 21026304

約数和(自身を除く): 2283085

約数列:

[1, 11, 71, 103, 233, 781, 1133, 2563, 7313, 16543, 23999, 80443, 181973, 263989, 1703929, 18743219]

約数ペア:

[(1, 18743219), (11, 1703929), (71, 263989), (103, 181973), (233, 80443), (781, 23999), (1133, 16543), (2563, 7313)]