18808515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37997}}^1$

素因数の和:38019

約数の個数: 24

約数和(自身を含む): 35566128

約数和(自身を除く): 16757613

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 37997, 113991, 189985, 341973, 417967, 569955, 1253901, 1709865, 2089835, 3761703, 6269505, 18808515]

約数ペア:

[(1, 18808515), (3, 6269505), (5, 3761703), (9, 2089835), (11, 1709865), (15, 1253901), (33, 569955), (45, 417967), (55, 341973), (99, 189985), (165, 113991), (495, 37997)]