19986255972

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{1709}}^1$

素因数の和:2030

約数の個数: 144

約数和(自身を含む): 54350215920

約数和(自身を除く): 34363959948

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 97, 102, 153, 194, 197, 204, 291, 306, 388, 394, 582, 591, 612, 788, 873, 1164, 1182, 1649, 1709, 1746, 1773, 2364, 3298, 3349, 3418, 3492, 3546, 4947, 5127, 6596, 6698, 6836, 7092, 9894, 10047, 10254, 13396, 14841, 15381, 19109, 19788, 20094, 20508, 29053, 29682, 30141, 30762, 38218, 40188, 57327, 58106, 59364, 60282, 61524, 76436, 87159, 114654, 116212, 120564, 165773, 171981, 174318, 229308, 261477, 324853, 331546, 336673, 343962, 348636, 497319, 522954, 649706, 663092, 673346, 687924, 974559, 994638, 1010019, 1045908, 1299412, 1346692, 1491957, 1949118, 1989276, 2020038, 2818141, 2923677, 2983914, 3030057, 3898236, 4040076, 5636282, 5723441, 5847354, 5967828, 6060114, 8454423, 11272564, 11446882, 11694708, 12120228, 16908846, 17170323, 22893764, 25363269, 32657281, 33817692, 34340646, 50726538, 51510969, 65314562, 68681292, 97971843, 101453076, 103021938, 130629124, 195943686, 206043876, 293915529, 391887372, 555173777, 587831058, 1110347554, 1175662116, 1665521331, 2220695108, 3331042662, 4996563993, 6662085324, 9993127986, 19986255972]

約数ペア:

[(1, 19986255972), (2, 9993127986), (3, 6662085324), (4, 4996563993), (6, 3331042662), (9, 2220695108), (12, 1665521331), (17, 1175662116), (18, 1110347554), (34, 587831058), (36, 555173777), (51, 391887372), (68, 293915529), (97, 206043876), (102, 195943686), (153, 130629124), (194, 103021938), (197, 101453076), (204, 97971843), (291, 68681292), (306, 65314562), (388, 51510969), (394, 50726538), (582, 34340646), (591, 33817692), (612, 32657281), (788, 25363269), (873, 22893764), (1164, 17170323), (1182, 16908846), (1649, 12120228), (1709, 11694708), (1746, 11446882), (1773, 11272564), (2364, 8454423), (3298, 6060114), (3349, 5967828), (3418, 5847354), (3492, 5723441), (3546, 5636282), (4947, 4040076), (5127, 3898236), (6596, 3030057), (6698, 2983914), (6836, 2923677), (7092, 2818141), (9894, 2020038), (10047, 1989276), (10254, 1949118), (13396, 1491957), (14841, 1346692), (15381, 1299412), (19109, 1045908), (19788, 1010019), (20094, 994638), (20508, 974559), (29053, 687924), (29682, 673346), (30141, 663092), (30762, 649706), (38218, 522954), (40188, 497319), (57327, 348636), (58106, 343962), (59364, 336673), (60282, 331546), (61524, 324853), (76436, 261477), (87159, 229308), (114654, 174318), (116212, 171981), (120564, 165773)]