19886623784

素因数分解:

$2^3\times {\mathrm{20759}}^1\times {\mathrm{119747}}^1$

素因数の和:140512

約数の個数: 16

約数和(自身を含む): 37289527200

約数和(自身を除く): 17402903416

約数列:

[1, 2, 4, 8, 20759, 41518, 83036, 119747, 166072, 239494, 478988, 957976, 2485827973, 4971655946, 9943311892, 19886623784]

約数ペア:

[(1, 19886623784), (2, 9943311892), (4, 4971655946), (8, 2485827973), (20759, 957976), (41518, 478988), (83036, 239494), (119747, 166072)]