18858807

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2771

約数の個数: 24

約数和(自身を含む): 30146688

約数和(自身を除く): 11287881

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2683, 7029, 8049, 24147, 29513, 88539, 190493, 265617, 571479, 1714437, 2095423, 6286269, 18858807]

約数ペア:

[(1, 18858807), (3, 6286269), (9, 2095423), (11, 1714437), (33, 571479), (71, 265617), (99, 190493), (213, 88539), (639, 29513), (781, 24147), (2343, 8049), (2683, 7029)]