19947294

素因数分解:

$2^1\times 3^2\times {\mathrm{373}}^1\times {\mathrm{2971}}^1$

素因数の和:3352

約数の個数: 24

約数和(自身を含む): 43349592

約数和(自身を除く): 23402298

約数列:

[1, 2, 3, 6, 9, 18, 373, 746, 1119, 2238, 2971, 3357, 5942, 6714, 8913, 17826, 26739, 53478, 1108183, 2216366, 3324549, 6649098, 9973647, 19947294]

約数ペア:

[(1, 19947294), (2, 9973647), (3, 6649098), (6, 3324549), (9, 2216366), (18, 1108183), (373, 53478), (746, 26739), (1119, 17826), (2238, 8913), (2971, 6714), (3357, 5942)]