19387612

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 15539588

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 839, 1678, 3356, 5777, 11554, 23108, 44467, 88934, 91451, 177868, 182902, 365804, 4846903, 9693806, 19387612]

約数ペア:

[(1, 19387612), (2, 9693806), (4, 4846903), (53, 365804), (106, 182902), (109, 177868), (212, 91451), (218, 88934), (436, 44467), (839, 23108), (1678, 11554), (3356, 5777)]