18964304

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28909}}^1$

素因数の和:28958

約数の個数: 20

約数和(自身を含む): 37640820

約数和(自身を除く): 18676516

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28909, 57818, 115636, 231272, 462544, 1185269, 2370538, 4741076, 9482152, 18964304]

約数ペア:

[(1, 18964304), (2, 9482152), (4, 4741076), (8, 2370538), (16, 1185269), (41, 462544), (82, 231272), (164, 115636), (328, 57818), (656, 28909)]