16857218

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 30720000

約数和(自身を除く): 13862782

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 499, 889, 998, 1778, 2413, 3493, 4826, 6986, 9481, 16891, 18962, 33782, 63373, 66367, 126746, 132734, 443611, 887222, 1204087, 2408174, 8428609, 16857218]

約数ペア:

[(1, 16857218), (2, 8428609), (7, 2408174), (14, 1204087), (19, 887222), (38, 443611), (127, 132734), (133, 126746), (254, 66367), (266, 63373), (499, 33782), (889, 18962), (998, 16891), (1778, 9481), (2413, 6986), (3493, 4826)]