19734680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70481}}^1$

素因数の和:70499

約数の個数: 32

約数和(自身を含む): 50747040

約数和(自身を除く): 31012360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70481, 140962, 281924, 352405, 493367, 563848, 704810, 986734, 1409620, 1973468, 2466835, 2819240, 3946936, 4933670, 9867340, 19734680]

約数ペア:

[(1, 19734680), (2, 9867340), (4, 4933670), (5, 3946936), (7, 2819240), (8, 2466835), (10, 1973468), (14, 1409620), (20, 986734), (28, 704810), (35, 563848), (40, 493367), (56, 352405), (70, 281924), (140, 140962), (280, 70481)]