19870200

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 288

約数和(自身を含む): 81244800

約数和(自身を除く): 61374600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 25, 28, 30, 35, 36, 38, 40, 42, 45, 50, 56, 57, 60, 63, 70, 72, 75, 76, 83, 84, 90, 95, 100, 105, 114, 120, 126, 133, 140, 150, 152, 166, 168, 171, 175, 180, 190, 200, 210, 225, 228, 249, 252, 266, 280, 285, 300, 315, 332, 342, 350, 360, 380, 399, 415, 420, 450, 456, 475, 498, 504, 525, 532, 570, 581, 600, 630, 664, 665, 684, 700, 747, 760, 798, 830, 840, 855, 900, 950, 996, 1050, 1064, 1140, 1162, 1197, 1245, 1260, 1330, 1368, 1400, 1425, 1494, 1575, 1577, 1596, 1660, 1710, 1743, 1800, 1900, 1992, 1995, 2075, 2100, 2280, 2324, 2394, 2490, 2520, 2660, 2850, 2905, 2988, 3150, 3154, 3192, 3320, 3325, 3420, 3486, 3735, 3800, 3990, 4150, 4200, 4275, 4648, 4731, 4788, 4980, 5229, 5320, 5700, 5810, 5976, 5985, 6225, 6300, 6308, 6650, 6840, 6972, 7470, 7885, 7980, 8300, 8550, 8715, 9462, 9576, 9960, 9975, 10458, 11039, 11400, 11620, 11970, 12450, 12600, 12616, 13300, 13944, 14193, 14525, 14940, 15770, 15960, 16600, 17100, 17430, 18675, 18924, 19950, 20916, 22078, 23240, 23655, 23940, 24900, 26145, 26600, 28386, 29050, 29880, 29925, 31540, 33117, 34200, 34860, 37350, 37848, 39425, 39900, 41832, 43575, 44156, 47310, 47880, 49800, 52290, 55195, 56772, 58100, 59850, 63080, 66234, 69720, 70965, 74700, 78850, 79800, 87150, 88312, 94620, 99351, 104580, 110390, 113544, 116200, 118275, 119700, 130725, 132468, 141930, 149400, 157700, 165585, 174300, 189240, 198702, 209160, 220780, 236550, 239400, 261450, 264936, 275975, 283860, 315400, 331170, 348600, 354825, 397404, 441560, 473100, 496755, 522900, 551950, 567720, 662340, 709650, 794808, 827925, 946200, 993510, 1045800, 1103900, 1324680, 1419300, 1655850, 1987020, 2207800, 2483775, 2838600, 3311700, 3974040, 4967550, 6623400, 9935100, 19870200]

約数ペア:

[(1, 19870200), (2, 9935100), (3, 6623400), (4, 4967550), (5, 3974040), (6, 3311700), (7, 2838600), (8, 2483775), (9, 2207800), (10, 1987020), (12, 1655850), (14, 1419300), (15, 1324680), (18, 1103900), (19, 1045800), (20, 993510), (21, 946200), (24, 827925), (25, 794808), (28, 709650), (30, 662340), (35, 567720), (36, 551950), (38, 522900), (40, 496755), (42, 473100), (45, 441560), (50, 397404), (56, 354825), (57, 348600), (60, 331170), (63, 315400), (70, 283860), (72, 275975), (75, 264936), (76, 261450), (83, 239400), (84, 236550), (90, 220780), (95, 209160), (100, 198702), (105, 189240), (114, 174300), (120, 165585), (126, 157700), (133, 149400), (140, 141930), (150, 132468), (152, 130725), (166, 119700), (168, 118275), (171, 116200), (175, 113544), (180, 110390), (190, 104580), (200, 99351), (210, 94620), (225, 88312), (228, 87150), (249, 79800), (252, 78850), (266, 74700), (280, 70965), (285, 69720), (300, 66234), (315, 63080), (332, 59850), (342, 58100), (350, 56772), (360, 55195), (380, 52290), (399, 49800), (415, 47880), (420, 47310), (450, 44156), (456, 43575), (475, 41832), (498, 39900), (504, 39425), (525, 37848), (532, 37350), (570, 34860), (581, 34200), (600, 33117), (630, 31540), (664, 29925), (665, 29880), (684, 29050), (700, 28386), (747, 26600), (760, 26145), (798, 24900), (830, 23940), (840, 23655), (855, 23240), (900, 22078), (950, 20916), (996, 19950), (1050, 18924), (1064, 18675), (1140, 17430), (1162, 17100), (1197, 16600), (1245, 15960), (1260, 15770), (1330, 14940), (1368, 14525), (1400, 14193), (1425, 13944), (1494, 13300), (1575, 12616), (1577, 12600), (1596, 12450), (1660, 11970), (1710, 11620), (1743, 11400), (1800, 11039), (1900, 10458), (1992, 9975), (1995, 9960), (2075, 9576), (2100, 9462), (2280, 8715), (2324, 8550), (2394, 8300), (2490, 7980), (2520, 7885), (2660, 7470), (2850, 6972), (2905, 6840), (2988, 6650), (3150, 6308), (3154, 6300), (3192, 6225), (3320, 5985), (3325, 5976), (3420, 5810), (3486, 5700), (3735, 5320), (3800, 5229), (3990, 4980), (4150, 4788), (4200, 4731), (4275, 4648)]