18807261

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10223139

約数列:

[1, 3, 11, 23, 33, 69, 71, 213, 253, 349, 759, 781, 1047, 1633, 2343, 3839, 4899, 8027, 11517, 17963, 24081, 24779, 53889, 74337, 88297, 264891, 272569, 569917, 817707, 1709751, 6269087, 18807261]

約数ペア:

[(1, 18807261), (3, 6269087), (11, 1709751), (23, 817707), (33, 569917), (69, 272569), (71, 264891), (213, 88297), (253, 74337), (349, 53889), (759, 24779), (781, 24081), (1047, 17963), (1633, 11517), (2343, 8027), (3839, 4899)]