18388887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{8317}}^1$

素因数の和:8398

約数の個数: 16

約数和(自身を含む): 27149952

約数和(自身を除く): 8761065

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 8317, 24951, 91487, 274461, 557239, 1671717, 6129629, 18388887]

約数ペア:

[(1, 18388887), (3, 6129629), (11, 1671717), (33, 557239), (67, 274461), (201, 91487), (737, 24951), (2211, 8317)]