18671367

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 29707776

約数和(自身を除く): 11036409

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 613, 781, 923, 1839, 2343, 2769, 6743, 7969, 10153, 20229, 23907, 30459, 43523, 87659, 130569, 262977, 478753, 565799, 1436259, 1697397, 6223789, 18671367]

約数ペア:

[(1, 18671367), (3, 6223789), (11, 1697397), (13, 1436259), (33, 565799), (39, 478753), (71, 262977), (143, 130569), (213, 87659), (429, 43523), (613, 30459), (781, 23907), (923, 20229), (1839, 10153), (2343, 7969), (2769, 6743)]