19670354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4493}}^1$

素因数の和:4705

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 12686446

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4493, 8986, 49423, 98846, 894107, 1788214, 9835177, 19670354]

約数ペア:

[(1, 19670354), (2, 9835177), (11, 1788214), (22, 894107), (199, 98846), (398, 49423), (2189, 8986), (4378, 4493)]