18402419

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 21712896

約数和(自身を除く): 3310477

約数列:

[1, 7, 61, 71, 427, 497, 607, 4249, 4331, 30317, 37027, 43097, 259189, 301679, 2628917, 18402419]

約数ペア:

[(1, 18402419), (7, 2628917), (61, 301679), (71, 259189), (427, 43097), (497, 37027), (607, 30317), (4249, 4331)]