19887568

素因数分解:

$2^4\times {\mathrm{859}}^1\times {\mathrm{1447}}^1$

素因数の和:2314

約数の個数: 20

約数和(自身を含む): 38603680

約数和(自身を除く): 18716112

約数列:

[1, 2, 4, 8, 16, 859, 1447, 1718, 2894, 3436, 5788, 6872, 11576, 13744, 23152, 1242973, 2485946, 4971892, 9943784, 19887568]

約数ペア:

[(1, 19887568), (2, 9943784), (4, 4971892), (8, 2485946), (16, 1242973), (859, 23152), (1447, 13744), (1718, 11576), (2894, 6872), (3436, 5788)]