19385120

素因数分解:

$2^5\times 5^1\times {\mathrm{121157}}^1$

素因数の和:121172

約数の個数: 24

約数和(自身を含む): 45797724

約数和(自身を除く): 26412604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121157, 242314, 484628, 605785, 969256, 1211570, 1938512, 2423140, 3877024, 4846280, 9692560, 19385120]

約数ペア:

[(1, 19385120), (2, 9692560), (4, 4846280), (5, 3877024), (8, 2423140), (10, 1938512), (16, 1211570), (20, 969256), (32, 605785), (40, 484628), (80, 242314), (160, 121157)]