19866537

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 30014400

約数和(自身を除く): 10147863

約数列:

[1, 3, 9, 29, 87, 103, 261, 309, 739, 927, 2217, 2987, 6651, 8961, 21431, 26883, 64293, 76117, 192879, 228351, 685053, 2207393, 6622179, 19866537]

約数ペア:

[(1, 19866537), (3, 6622179), (9, 2207393), (29, 685053), (87, 228351), (103, 192879), (261, 76117), (309, 64293), (739, 26883), (927, 21431), (2217, 8961), (2987, 6651)]