19953788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2027}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 36796032

約数和(自身を除く): 16842244

約数列:

[1, 2, 4, 23, 46, 92, 107, 214, 428, 2027, 2461, 4054, 4922, 8108, 9844, 46621, 93242, 186484, 216889, 433778, 867556, 4988447, 9976894, 19953788]

約数ペア:

[(1, 19953788), (2, 9976894), (4, 4988447), (23, 867556), (46, 433778), (92, 216889), (107, 186484), (214, 93242), (428, 46621), (2027, 9844), (2461, 8108), (4054, 4922)]