18959227

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6343}}^1$

素因数の和:6418

約数の個数: 12

約数和(自身を含む): 22419696

約数和(自身を除く): 3460469

約数列:

[1, 7, 49, 61, 427, 2989, 6343, 44401, 310807, 386923, 2708461, 18959227]

約数ペア:

[(1, 18959227), (7, 2708461), (49, 386923), (61, 310807), (427, 44401), (2989, 6343)]