18554217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7919}}^1$

素因数の和:8004

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 8817303

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 7919, 23757, 87109, 261327, 562249, 1686747, 6184739, 18554217]

約数ペア:

[(1, 18554217), (3, 6184739), (11, 1686747), (33, 562249), (71, 261327), (213, 87109), (781, 23757), (2343, 7919)]