16812587

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 19918080

約数和(自身を除く): 3105493

約数列:

[1, 11, 19, 71, 103, 121, 209, 781, 1133, 1349, 1957, 2299, 7313, 8591, 12463, 14839, 21527, 80443, 138947, 163229, 236797, 884873, 1528417, 16812587]

約数ペア:

[(1, 16812587), (11, 1528417), (19, 884873), (71, 236797), (103, 163229), (121, 138947), (209, 80443), (781, 21527), (1133, 14839), (1349, 12463), (1957, 8591), (2299, 7313)]