19925722960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1747}}^1$

素因数の和:2781

約数の個数: 160

約数和(自身を含む): 54512260992

約数和(自身を除く): 34586538032

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 997, 1040, 1144, 1430, 1747, 1994, 2288, 2860, 3494, 3988, 4985, 5720, 6988, 7976, 8735, 9970, 10967, 11440, 12961, 13976, 15952, 17470, 19217, 19940, 21934, 22711, 25922, 27952, 34940, 38434, 39880, 43868, 45422, 51844, 54835, 64805, 69880, 76868, 79760, 87736, 90844, 96085, 103688, 109670, 113555, 129610, 139760, 142571, 153736, 175472, 181688, 192170, 207376, 219340, 227110, 249821, 259220, 285142, 307472, 363376, 384340, 438680, 454220, 499642, 518440, 570284, 712855, 768680, 877360, 908440, 999284, 1036880, 1140568, 1249105, 1425710, 1537360, 1741759, 1816880, 1998568, 2281136, 2498210, 2851420, 3483518, 3997136, 4996420, 5702840, 6967036, 8708795, 9992840, 11405680, 13934072, 17417590, 19159349, 19985680, 22642867, 27868144, 34835180, 38318698, 45285734, 69670360, 76637396, 90571468, 95796745, 113214335, 139340720, 153274792, 181142936, 191593490, 226428670, 249071537, 306549584, 362285872, 383186980, 452857340, 498143074, 766373960, 905714680, 996286148, 1245357685, 1532747920, 1811429360, 1992572296, 2490715370, 3985144592, 4981430740, 9962861480, 19925722960]

約数ペア:

[(1, 19925722960), (2, 9962861480), (4, 4981430740), (5, 3985144592), (8, 2490715370), (10, 1992572296), (11, 1811429360), (13, 1532747920), (16, 1245357685), (20, 996286148), (22, 905714680), (26, 766373960), (40, 498143074), (44, 452857340), (52, 383186980), (55, 362285872), (65, 306549584), (80, 249071537), (88, 226428670), (104, 191593490), (110, 181142936), (130, 153274792), (143, 139340720), (176, 113214335), (208, 95796745), (220, 90571468), (260, 76637396), (286, 69670360), (440, 45285734), (520, 38318698), (572, 34835180), (715, 27868144), (880, 22642867), (997, 19985680), (1040, 19159349), (1144, 17417590), (1430, 13934072), (1747, 11405680), (1994, 9992840), (2288, 8708795), (2860, 6967036), (3494, 5702840), (3988, 4996420), (4985, 3997136), (5720, 3483518), (6988, 2851420), (7976, 2498210), (8735, 2281136), (9970, 1998568), (10967, 1816880), (11440, 1741759), (12961, 1537360), (13976, 1425710), (15952, 1249105), (17470, 1140568), (19217, 1036880), (19940, 999284), (21934, 908440), (22711, 877360), (25922, 768680), (27952, 712855), (34940, 570284), (38434, 518440), (39880, 499642), (43868, 454220), (45422, 438680), (51844, 384340), (54835, 363376), (64805, 307472), (69880, 285142), (76868, 259220), (79760, 249821), (87736, 227110), (90844, 219340), (96085, 207376), (103688, 192170), (109670, 181688), (113555, 175472), (129610, 153736), (139760, 142571)]