18824211

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 32148480

約数和(自身を除く): 13324269

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 727, 959, 1233, 2181, 2877, 3699, 5089, 6543, 8631, 15267, 19629, 25893, 45801, 99599, 137403, 298797, 697193, 896391, 2091579, 2689173, 6274737, 18824211]

約数ペア:

[(1, 18824211), (3, 6274737), (7, 2689173), (9, 2091579), (21, 896391), (27, 697193), (63, 298797), (137, 137403), (189, 99599), (411, 45801), (727, 25893), (959, 19629), (1233, 15267), (2181, 8631), (2877, 6543), (3699, 5089)]