18801616

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28661}}^1$

素因数の和:28710

約数の個数: 20

約数和(自身を含む): 37317924

約数和(自身を除く): 18516308

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28661, 57322, 114644, 229288, 458576, 1175101, 2350202, 4700404, 9400808, 18801616]

約数ペア:

[(1, 18801616), (2, 9400808), (4, 4700404), (8, 2350202), (16, 1175101), (41, 458576), (82, 229288), (164, 114644), (328, 57322), (656, 28661)]