19205239140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{11437}}^1$

素因数の和:11962

約数の個数: 144

約数和(自身を含む): 61452256320

約数和(自身を除く): 42247017180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 491, 570, 684, 855, 982, 1140, 1473, 1710, 1964, 2455, 2946, 3420, 4419, 4910, 5892, 7365, 8838, 9329, 9820, 11437, 14730, 17676, 18658, 22095, 22874, 27987, 29460, 34311, 37316, 44190, 45748, 46645, 55974, 57185, 68622, 83961, 88380, 93290, 102933, 111948, 114370, 137244, 139935, 167922, 171555, 186580, 205866, 217303, 228740, 279870, 335844, 343110, 411732, 419805, 434606, 514665, 559740, 651909, 686220, 839610, 869212, 1029330, 1086515, 1303818, 1679220, 1955727, 2058660, 2173030, 2607636, 3259545, 3911454, 4346060, 5615567, 6519090, 7822908, 9778635, 11231134, 13038180, 16846701, 19557270, 22462268, 28077835, 33693402, 39114540, 50540103, 56155670, 67386804, 84233505, 101080206, 106695773, 112311340, 168467010, 202160412, 213391546, 252700515, 320087319, 336934020, 426783092, 505401030, 533478865, 640174638, 960261957, 1010802060, 1066957730, 1280349276, 1600436595, 1920523914, 2133915460, 3200873190, 3841047828, 4801309785, 6401746380, 9602619570, 19205239140]

約数ペア:

[(1, 19205239140), (2, 9602619570), (3, 6401746380), (4, 4801309785), (5, 3841047828), (6, 3200873190), (9, 2133915460), (10, 1920523914), (12, 1600436595), (15, 1280349276), (18, 1066957730), (19, 1010802060), (20, 960261957), (30, 640174638), (36, 533478865), (38, 505401030), (45, 426783092), (57, 336934020), (60, 320087319), (76, 252700515), (90, 213391546), (95, 202160412), (114, 168467010), (171, 112311340), (180, 106695773), (190, 101080206), (228, 84233505), (285, 67386804), (342, 56155670), (380, 50540103), (491, 39114540), (570, 33693402), (684, 28077835), (855, 22462268), (982, 19557270), (1140, 16846701), (1473, 13038180), (1710, 11231134), (1964, 9778635), (2455, 7822908), (2946, 6519090), (3420, 5615567), (4419, 4346060), (4910, 3911454), (5892, 3259545), (7365, 2607636), (8838, 2173030), (9329, 2058660), (9820, 1955727), (11437, 1679220), (14730, 1303818), (17676, 1086515), (18658, 1029330), (22095, 869212), (22874, 839610), (27987, 686220), (29460, 651909), (34311, 559740), (37316, 514665), (44190, 434606), (45748, 419805), (46645, 411732), (55974, 343110), (57185, 335844), (68622, 279870), (83961, 228740), (88380, 217303), (93290, 205866), (102933, 186580), (111948, 171555), (114370, 167922), (137244, 139935)]