18929729

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29717}}^1$

素因数の和:29744

約数の個数: 12

約数和(自身を含む): 23714964

約数和(自身を除く): 4785235

約数列:

[1, 7, 13, 49, 91, 637, 29717, 208019, 386321, 1456133, 2704247, 18929729]

約数ペア:

[(1, 18929729), (7, 2704247), (13, 1456133), (49, 386321), (91, 208019), (637, 29717)]