19749240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:502

約数の個数: 192

約数和(自身を含む): 77837760

約数和(自身を除く): 58088520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 461, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 922, 952, 1020, 1071, 1190, 1224, 1260, 1383, 1428, 1530, 1785, 1844, 2040, 2142, 2305, 2380, 2520, 2766, 2856, 3060, 3227, 3570, 3688, 4149, 4284, 4610, 4760, 5355, 5532, 6120, 6454, 6915, 7140, 7837, 8298, 8568, 9220, 9681, 10710, 11064, 12908, 13830, 14280, 15674, 16135, 16596, 18440, 19362, 20745, 21420, 23511, 25816, 27660, 29043, 31348, 32270, 33192, 38724, 39185, 41490, 42840, 47022, 48405, 54859, 55320, 58086, 62696, 64540, 70533, 77448, 78370, 82980, 94044, 96810, 109718, 116172, 117555, 129080, 141066, 145215, 156740, 164577, 165960, 188088, 193620, 219436, 232344, 235110, 274295, 282132, 290430, 313480, 329154, 352665, 387240, 438872, 470220, 493731, 548590, 564264, 580860, 658308, 705330, 822885, 940440, 987462, 1097180, 1161720, 1316616, 1410660, 1645770, 1974924, 2194360, 2468655, 2821320, 3291540, 3949848, 4937310, 6583080, 9874620, 19749240]

約数ペア:

[(1, 19749240), (2, 9874620), (3, 6583080), (4, 4937310), (5, 3949848), (6, 3291540), (7, 2821320), (8, 2468655), (9, 2194360), (10, 1974924), (12, 1645770), (14, 1410660), (15, 1316616), (17, 1161720), (18, 1097180), (20, 987462), (21, 940440), (24, 822885), (28, 705330), (30, 658308), (34, 580860), (35, 564264), (36, 548590), (40, 493731), (42, 470220), (45, 438872), (51, 387240), (56, 352665), (60, 329154), (63, 313480), (68, 290430), (70, 282132), (72, 274295), (84, 235110), (85, 232344), (90, 219436), (102, 193620), (105, 188088), (119, 165960), (120, 164577), (126, 156740), (136, 145215), (140, 141066), (153, 129080), (168, 117555), (170, 116172), (180, 109718), (204, 96810), (210, 94044), (238, 82980), (252, 78370), (255, 77448), (280, 70533), (306, 64540), (315, 62696), (340, 58086), (357, 55320), (360, 54859), (408, 48405), (420, 47022), (461, 42840), (476, 41490), (504, 39185), (510, 38724), (595, 33192), (612, 32270), (630, 31348), (680, 29043), (714, 27660), (765, 25816), (840, 23511), (922, 21420), (952, 20745), (1020, 19362), (1071, 18440), (1190, 16596), (1224, 16135), (1260, 15674), (1383, 14280), (1428, 13830), (1530, 12908), (1785, 11064), (1844, 10710), (2040, 9681), (2142, 9220), (2305, 8568), (2380, 8298), (2520, 7837), (2766, 7140), (2856, 6915), (3060, 6454), (3227, 6120), (3570, 5532), (3688, 5355), (4149, 4760), (4284, 4610)]