18695254

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:747

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 9816746

約数列:

[1, 2, 107, 199, 214, 398, 439, 878, 21293, 42586, 46973, 87361, 93946, 174722, 9347627, 18695254]

約数ペア:

[(1, 18695254), (2, 9347627), (107, 174722), (199, 93946), (214, 87361), (398, 46973), (439, 42586), (878, 21293)]