18978803312

素因数分解:

$2^4\times 7^1\times {\mathrm{169453601}}^1$

素因数の和:169453616

約数の個数: 20

約数和(自身を含む): 42024493296

約数和(自身を除く): 23045689984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169453601, 338907202, 677814404, 1186175207, 1355628808, 2372350414, 2711257616, 4744700828, 9489401656, 18978803312]

約数ペア:

[(1, 18978803312), (2, 9489401656), (4, 4744700828), (7, 2711257616), (8, 2372350414), (14, 1355628808), (16, 1186175207), (28, 677814404), (56, 338907202), (112, 169453601)]