19660782

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 43068240

約数和(自身を除く): 23407458

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 174, 313, 361, 551, 626, 722, 939, 1083, 1102, 1653, 1878, 2166, 3306, 5947, 9077, 10469, 11894, 17841, 18154, 20938, 27231, 31407, 35682, 54462, 62814, 112993, 172463, 225986, 338979, 344926, 517389, 677958, 1034778, 3276797, 6553594, 9830391, 19660782]

約数ペア:

[(1, 19660782), (2, 9830391), (3, 6553594), (6, 3276797), (19, 1034778), (29, 677958), (38, 517389), (57, 344926), (58, 338979), (87, 225986), (114, 172463), (174, 112993), (313, 62814), (361, 54462), (551, 35682), (626, 31407), (722, 27231), (939, 20938), (1083, 18154), (1102, 17841), (1653, 11894), (1878, 10469), (2166, 9077), (3306, 5947)]