19191480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 256

約数和(自身を含む): 75202560

約数和(自身を除く): 56011080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 67, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 134, 140, 154, 155, 165, 168, 186, 201, 210, 217, 220, 231, 248, 264, 268, 280, 308, 310, 330, 335, 341, 372, 385, 402, 420, 434, 440, 462, 465, 469, 536, 616, 620, 651, 660, 670, 682, 737, 744, 770, 804, 840, 868, 924, 930, 938, 1005, 1023, 1085, 1155, 1240, 1302, 1320, 1340, 1364, 1407, 1474, 1540, 1608, 1705, 1736, 1848, 1860, 1876, 2010, 2046, 2077, 2170, 2211, 2310, 2345, 2387, 2604, 2680, 2728, 2814, 2948, 3080, 3255, 3410, 3685, 3720, 3752, 4020, 4092, 4154, 4340, 4422, 4620, 4690, 4774, 5115, 5159, 5208, 5628, 5896, 6231, 6510, 6820, 7035, 7161, 7370, 8040, 8184, 8308, 8680, 8844, 9240, 9380, 9548, 10230, 10318, 10385, 11055, 11256, 11935, 12462, 13020, 13640, 14070, 14322, 14539, 14740, 15477, 16616, 17688, 18760, 19096, 20460, 20636, 20770, 22110, 22847, 23870, 24924, 25795, 26040, 28140, 28644, 29078, 29480, 30954, 31155, 35805, 40920, 41272, 41540, 43617, 44220, 45694, 47740, 49848, 51590, 56280, 57288, 58156, 61908, 62310, 68541, 71610, 72695, 77385, 83080, 87234, 88440, 91388, 95480, 103180, 114235, 116312, 123816, 124620, 137082, 143220, 145390, 154770, 159929, 174468, 182776, 206360, 218085, 228470, 249240, 274164, 286440, 290780, 309540, 319858, 342705, 348936, 436170, 456940, 479787, 548328, 581560, 619080, 639716, 685410, 799645, 872340, 913880, 959574, 1279432, 1370820, 1599290, 1744680, 1919148, 2398935, 2741640, 3198580, 3838296, 4797870, 6397160, 9595740, 19191480]

約数ペア:

[(1, 19191480), (2, 9595740), (3, 6397160), (4, 4797870), (5, 3838296), (6, 3198580), (7, 2741640), (8, 2398935), (10, 1919148), (11, 1744680), (12, 1599290), (14, 1370820), (15, 1279432), (20, 959574), (21, 913880), (22, 872340), (24, 799645), (28, 685410), (30, 639716), (31, 619080), (33, 581560), (35, 548328), (40, 479787), (42, 456940), (44, 436170), (55, 348936), (56, 342705), (60, 319858), (62, 309540), (66, 290780), (67, 286440), (70, 274164), (77, 249240), (84, 228470), (88, 218085), (93, 206360), (105, 182776), (110, 174468), (120, 159929), (124, 154770), (132, 145390), (134, 143220), (140, 137082), (154, 124620), (155, 123816), (165, 116312), (168, 114235), (186, 103180), (201, 95480), (210, 91388), (217, 88440), (220, 87234), (231, 83080), (248, 77385), (264, 72695), (268, 71610), (280, 68541), (308, 62310), (310, 61908), (330, 58156), (335, 57288), (341, 56280), (372, 51590), (385, 49848), (402, 47740), (420, 45694), (434, 44220), (440, 43617), (462, 41540), (465, 41272), (469, 40920), (536, 35805), (616, 31155), (620, 30954), (651, 29480), (660, 29078), (670, 28644), (682, 28140), (737, 26040), (744, 25795), (770, 24924), (804, 23870), (840, 22847), (868, 22110), (924, 20770), (930, 20636), (938, 20460), (1005, 19096), (1023, 18760), (1085, 17688), (1155, 16616), (1240, 15477), (1302, 14740), (1320, 14539), (1340, 14322), (1364, 14070), (1407, 13640), (1474, 13020), (1540, 12462), (1608, 11935), (1705, 11256), (1736, 11055), (1848, 10385), (1860, 10318), (1876, 10230), (2010, 9548), (2046, 9380), (2077, 9240), (2170, 8844), (2211, 8680), (2310, 8308), (2345, 8184), (2387, 8040), (2604, 7370), (2680, 7161), (2728, 7035), (2814, 6820), (2948, 6510), (3080, 6231), (3255, 5896), (3410, 5628), (3685, 5208), (3720, 5159), (3752, 5115), (4020, 4774), (4092, 4690), (4154, 4620), (4340, 4422)]