19706512

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{701}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 43872192

約数和(自身を除く): 24165680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 701, 1004, 1402, 1757, 2008, 2804, 3514, 4016, 4907, 5608, 7028, 9814, 11216, 14056, 19628, 28112, 39256, 78512, 175951, 351902, 703804, 1231657, 1407608, 2463314, 2815216, 4926628, 9853256, 19706512]

約数ペア:

[(1, 19706512), (2, 9853256), (4, 4926628), (7, 2815216), (8, 2463314), (14, 1407608), (16, 1231657), (28, 703804), (56, 351902), (112, 175951), (251, 78512), (502, 39256), (701, 28112), (1004, 19628), (1402, 14056), (1757, 11216), (2008, 9814), (2804, 7028), (3514, 5608), (4016, 4907)]