19906412

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 36560160

約数和(自身を除く): 16653748

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2417, 4118, 4834, 8236, 9668, 70093, 140186, 171607, 280372, 343214, 686428, 4976603, 9953206, 19906412]

約数ペア:

[(1, 19906412), (2, 9953206), (4, 4976603), (29, 686428), (58, 343214), (71, 280372), (116, 171607), (142, 140186), (284, 70093), (2059, 9668), (2417, 8236), (4118, 4834)]