19731228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 51480576

約数和(自身を除く): 31749348

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 121, 127, 132, 214, 242, 254, 321, 363, 381, 428, 484, 508, 642, 726, 762, 1177, 1284, 1397, 1452, 1524, 2354, 2794, 3531, 4191, 4708, 5588, 7062, 8382, 12947, 13589, 14124, 15367, 16764, 25894, 27178, 30734, 38841, 40767, 46101, 51788, 54356, 61468, 77682, 81534, 92202, 149479, 155364, 163068, 184404, 298958, 448437, 597916, 896874, 1644269, 1793748, 3288538, 4932807, 6577076, 9865614, 19731228]

約数ペア:

[(1, 19731228), (2, 9865614), (3, 6577076), (4, 4932807), (6, 3288538), (11, 1793748), (12, 1644269), (22, 896874), (33, 597916), (44, 448437), (66, 298958), (107, 184404), (121, 163068), (127, 155364), (132, 149479), (214, 92202), (242, 81534), (254, 77682), (321, 61468), (363, 54356), (381, 51788), (428, 46101), (484, 40767), (508, 38841), (642, 30734), (726, 27178), (762, 25894), (1177, 16764), (1284, 15367), (1397, 14124), (1452, 13589), (1524, 12947), (2354, 8382), (2794, 7062), (3531, 5588), (4191, 4708)]