18820808

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 18244792

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 233, 439, 466, 878, 932, 1756, 1864, 3512, 5359, 10097, 10718, 20194, 21436, 40388, 42872, 80776, 102287, 204574, 409148, 818296, 2352601, 4705202, 9410404, 18820808]

約数ペア:

[(1, 18820808), (2, 9410404), (4, 4705202), (8, 2352601), (23, 818296), (46, 409148), (92, 204574), (184, 102287), (233, 80776), (439, 42872), (466, 40388), (878, 21436), (932, 20194), (1756, 10718), (1864, 10097), (3512, 5359)]