13720888

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{4751}}^1$

素因数の和:4795

約数の個数: 24

約数和(自身を含む): 27157680

約数和(自身を除く): 13436792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 4751, 9502, 19004, 38008, 90269, 180538, 361076, 722152, 1715111, 3430222, 6860444, 13720888]

約数ペア:

[(1, 13720888), (2, 6860444), (4, 3430222), (8, 1715111), (19, 722152), (38, 361076), (76, 180538), (152, 90269), (361, 38008), (722, 19004), (1444, 9502), (2888, 4751)]