19249276

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 34398000

約数和(自身を除く): 15148724

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 389, 556, 778, 1556, 12371, 24742, 34621, 49484, 54071, 69242, 108142, 138484, 216284, 4812319, 9624638, 19249276]

約数ペア:

[(1, 19249276), (2, 9624638), (4, 4812319), (89, 216284), (139, 138484), (178, 108142), (278, 69242), (356, 54071), (389, 49484), (556, 34621), (778, 24742), (1556, 12371)]