18667407

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1709}}^1$

素因数の和:2054

約数の個数: 16

約数和(自身を含む): 27250560

約数和(自身を除く): 8583153

約数列:

[1, 3, 11, 33, 331, 993, 1709, 3641, 5127, 10923, 18799, 56397, 565679, 1697037, 6222469, 18667407]

約数ペア:

[(1, 18667407), (3, 6222469), (11, 1697037), (33, 565679), (331, 56397), (993, 18799), (1709, 10923), (3641, 5127)]