19223798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4391}}^1$

素因数の和:4603

約数の個数: 16

約数和(自身を含む): 31622400

約数和(自身を除く): 12398602

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4391, 8782, 48301, 96602, 873809, 1747618, 9611899, 19223798]

約数ペア:

[(1, 19223798), (2, 9611899), (11, 1747618), (22, 873809), (199, 96602), (398, 48301), (2189, 8782), (4378, 4391)]