19528834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 24

約数和(自身を含む): 32211900

約数和(自身を除く): 12683066

約数列:

[1, 2, 13, 26, 71, 142, 149, 298, 923, 1846, 1937, 3874, 5041, 10082, 10579, 21158, 65533, 131066, 137527, 275054, 751109, 1502218, 9764417, 19528834]

約数ペア:

[(1, 19528834), (2, 9764417), (13, 1502218), (26, 751109), (71, 275054), (142, 137527), (149, 131066), (298, 65533), (923, 21158), (1846, 10579), (1937, 10082), (3874, 5041)]