18619634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4253}}^1$

素因数の和:4465

約数の個数: 16

約数和(自身を含む): 30628800

約数和(自身を除く): 12009166

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4253, 4378, 8506, 46783, 93566, 846347, 1692694, 9309817, 18619634]

約数ペア:

[(1, 18619634), (2, 9309817), (11, 1692694), (22, 846347), (199, 93566), (398, 46783), (2189, 8506), (4253, 4378)]