19390162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 13557038

約数列:

[1, 2, 11, 22, 43, 86, 103, 199, 206, 398, 473, 946, 1133, 2189, 2266, 4378, 4429, 8557, 8858, 17114, 20497, 40994, 48719, 94127, 97438, 188254, 225467, 450934, 881371, 1762742, 9695081, 19390162]

約数ペア:

[(1, 19390162), (2, 9695081), (11, 1762742), (22, 881371), (43, 450934), (86, 225467), (103, 188254), (199, 97438), (206, 94127), (398, 48719), (473, 40994), (946, 20497), (1133, 17114), (2189, 8858), (2266, 8557), (4378, 4429)]