18778242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{447101}}^1$

素因数の和:447113

約数の個数: 16

約数和(自身を含む): 42921792

約数和(自身を除く): 24143550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 447101, 894202, 1341303, 2682606, 3129707, 6259414, 9389121, 18778242]

約数ペア:

[(1, 18778242), (2, 9389121), (3, 6259414), (6, 3129707), (7, 2682606), (14, 1341303), (21, 894202), (42, 447101)]