18933783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8081}}^1$

素因数の和:8166

約数の個数: 16

約数和(自身を含む): 27931392

約数和(自身を除く): 8997609

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8081, 24243, 88891, 266673, 573751, 1721253, 6311261, 18933783]

約数ペア:

[(1, 18933783), (3, 6311261), (11, 1721253), (33, 573751), (71, 266673), (213, 88891), (781, 24243), (2343, 8081)]