18557546

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6661}}^1$

素因数の和:6869

約数の個数: 16

約数和(自身を含む): 31977600

約数和(自身を除く): 13420054

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 6661, 13322, 46627, 93254, 1325539, 2651078, 9278773, 18557546]

約数ペア:

[(1, 18557546), (2, 9278773), (7, 2651078), (14, 1325539), (199, 93254), (398, 46627), (1393, 13322), (2786, 6661)]