40194418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{9181}}^1$

素因数の和:9393

約数の個数: 16

約数和(自身を含む): 66110400

約数和(自身を除く): 25915982

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 9181, 18362, 100991, 201982, 1827019, 3654038, 20097209, 40194418]

約数ペア:

[(1, 40194418), (2, 20097209), (11, 3654038), (22, 1827019), (199, 201982), (398, 100991), (2189, 18362), (4378, 9181)]