19729122392

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{717527}}^1$

素因数の和:718031

約数の個数: 32

約数和(自身を含む): 42362853120

約数和(自身を除く): 22633730728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 982, 1964, 3437, 3928, 6874, 13748, 27496, 717527, 1435054, 2870108, 5022689, 5740216, 10045378, 20090756, 40181512, 352305757, 704611514, 1409223028, 2466140299, 2818446056, 4932280598, 9864561196, 19729122392]

約数ペア:

[(1, 19729122392), (2, 9864561196), (4, 4932280598), (7, 2818446056), (8, 2466140299), (14, 1409223028), (28, 704611514), (56, 352305757), (491, 40181512), (982, 20090756), (1964, 10045378), (3437, 5740216), (3928, 5022689), (6874, 2870108), (13748, 1435054), (27496, 717527)]