19215735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 38928384

約数和(自身を除く): 19712649

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 127, 131, 165, 231, 381, 385, 393, 635, 655, 889, 917, 1155, 1397, 1441, 1905, 1965, 2667, 2751, 4191, 4323, 4445, 4585, 6985, 7205, 9779, 10087, 13335, 13755, 16637, 20955, 21615, 29337, 30261, 48895, 49911, 50435, 83185, 116459, 146685, 151305, 183007, 249555, 349377, 549021, 582295, 915035, 1281049, 1746885, 2745105, 3843147, 6405245, 19215735]

約数ペア:

[(1, 19215735), (3, 6405245), (5, 3843147), (7, 2745105), (11, 1746885), (15, 1281049), (21, 915035), (33, 582295), (35, 549021), (55, 349377), (77, 249555), (105, 183007), (127, 151305), (131, 146685), (165, 116459), (231, 83185), (381, 50435), (385, 49911), (393, 48895), (635, 30261), (655, 29337), (889, 21615), (917, 20955), (1155, 16637), (1397, 13755), (1441, 13335), (1905, 10087), (1965, 9779), (2667, 7205), (2751, 6985), (4191, 4585), (4323, 4445)]