18670379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 23116800

約数和(自身を除く): 4446421

約数列:

[1, 7, 13, 91, 199, 1031, 1393, 2587, 7217, 13403, 18109, 93821, 205169, 1436183, 2667197, 18670379]

約数ペア:

[(1, 18670379), (7, 2667197), (13, 1436183), (91, 205169), (199, 93821), (1031, 18109), (1393, 13403), (2587, 7217)]