19527568

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11197}}^1$

素因数の和:11314

約数の個数: 20

約数和(自身を含む): 38185180

約数和(自身を除く): 18657612

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11197, 22394, 44788, 89576, 179152, 1220473, 2440946, 4881892, 9763784, 19527568]

約数ペア:

[(1, 19527568), (2, 9763784), (4, 4881892), (8, 2440946), (16, 1220473), (109, 179152), (218, 89576), (436, 44788), (872, 22394), (1744, 11197)]