1921942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:651

約数の個数: 16

約数和(自身を含む): 3168000

約数和(自身を除く): 1246058

約数列:

[1, 2, 11, 22, 199, 398, 439, 878, 2189, 4378, 4829, 9658, 87361, 174722, 960971, 1921942]

約数ペア:

[(1, 1921942), (2, 960971), (11, 174722), (22, 87361), (199, 9658), (398, 4829), (439, 4378), (878, 2189)]