19388048

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11117}}^1$

素因数の和:11234

約数の個数: 20

約数和(自身を含む): 37912380

約数和(自身を除く): 18524332

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11117, 22234, 44468, 88936, 177872, 1211753, 2423506, 4847012, 9694024, 19388048]

約数ペア:

[(1, 19388048), (2, 9694024), (4, 4847012), (8, 2423506), (16, 1211753), (109, 177872), (218, 88936), (436, 44468), (872, 22234), (1744, 11117)]