19018506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 44311680

約数和(自身を除く): 25293174

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 41, 57, 78, 82, 114, 123, 246, 247, 313, 494, 533, 626, 741, 779, 939, 1066, 1482, 1558, 1599, 1878, 2337, 3198, 4069, 4674, 5947, 8138, 10127, 11894, 12207, 12833, 17841, 20254, 24414, 25666, 30381, 35682, 38499, 60762, 76998, 77311, 154622, 166829, 231933, 243827, 333658, 463866, 487654, 500487, 731481, 1000974, 1462962, 3169751, 6339502, 9509253, 19018506]

約数ペア:

[(1, 19018506), (2, 9509253), (3, 6339502), (6, 3169751), (13, 1462962), (19, 1000974), (26, 731481), (38, 500487), (39, 487654), (41, 463866), (57, 333658), (78, 243827), (82, 231933), (114, 166829), (123, 154622), (246, 77311), (247, 76998), (313, 60762), (494, 38499), (533, 35682), (626, 30381), (741, 25666), (779, 24414), (939, 20254), (1066, 17841), (1482, 12833), (1558, 12207), (1599, 11894), (1878, 10127), (2337, 8138), (3198, 5947), (4069, 4674)]