18021960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 256

約数和(自身を含む): 68947200

約数和(自身を除く): 50925240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 37, 40, 41, 44, 45, 54, 55, 60, 66, 72, 74, 82, 88, 90, 99, 108, 110, 111, 120, 123, 132, 135, 148, 164, 165, 180, 185, 198, 205, 216, 220, 222, 246, 264, 270, 296, 297, 328, 330, 333, 360, 369, 370, 396, 407, 410, 440, 444, 451, 492, 495, 540, 555, 594, 615, 660, 666, 738, 740, 792, 814, 820, 888, 902, 984, 990, 999, 1080, 1107, 1110, 1188, 1221, 1230, 1320, 1332, 1353, 1476, 1480, 1485, 1517, 1628, 1640, 1665, 1804, 1845, 1980, 1998, 2035, 2214, 2220, 2255, 2376, 2442, 2460, 2664, 2706, 2952, 2970, 3034, 3256, 3330, 3608, 3663, 3690, 3960, 3996, 4059, 4070, 4428, 4440, 4510, 4551, 4884, 4920, 4995, 5412, 5535, 5940, 6068, 6105, 6660, 6765, 7326, 7380, 7585, 7992, 8118, 8140, 8856, 9020, 9102, 9768, 9990, 10824, 10989, 11070, 11880, 12136, 12177, 12210, 13320, 13530, 13653, 14652, 14760, 15170, 16236, 16280, 16687, 18040, 18204, 18315, 19980, 20295, 21978, 22140, 22755, 24354, 24420, 27060, 27306, 29304, 30340, 32472, 33374, 36408, 36630, 39960, 40590, 40959, 43956, 44280, 45510, 48708, 48840, 50061, 54120, 54612, 54945, 60680, 60885, 66748, 68265, 73260, 81180, 81918, 83435, 87912, 91020, 97416, 100122, 109224, 109890, 121770, 133496, 136530, 146520, 150183, 162360, 163836, 166870, 182040, 200244, 204795, 219780, 243540, 250305, 273060, 300366, 327672, 333740, 400488, 409590, 439560, 450549, 487080, 500610, 546120, 600732, 667480, 750915, 819180, 901098, 1001220, 1201464, 1501830, 1638360, 1802196, 2002440, 2252745, 3003660, 3604392, 4505490, 6007320, 9010980, 18021960]

約数ペア:

[(1, 18021960), (2, 9010980), (3, 6007320), (4, 4505490), (5, 3604392), (6, 3003660), (8, 2252745), (9, 2002440), (10, 1802196), (11, 1638360), (12, 1501830), (15, 1201464), (18, 1001220), (20, 901098), (22, 819180), (24, 750915), (27, 667480), (30, 600732), (33, 546120), (36, 500610), (37, 487080), (40, 450549), (41, 439560), (44, 409590), (45, 400488), (54, 333740), (55, 327672), (60, 300366), (66, 273060), (72, 250305), (74, 243540), (82, 219780), (88, 204795), (90, 200244), (99, 182040), (108, 166870), (110, 163836), (111, 162360), (120, 150183), (123, 146520), (132, 136530), (135, 133496), (148, 121770), (164, 109890), (165, 109224), (180, 100122), (185, 97416), (198, 91020), (205, 87912), (216, 83435), (220, 81918), (222, 81180), (246, 73260), (264, 68265), (270, 66748), (296, 60885), (297, 60680), (328, 54945), (330, 54612), (333, 54120), (360, 50061), (369, 48840), (370, 48708), (396, 45510), (407, 44280), (410, 43956), (440, 40959), (444, 40590), (451, 39960), (492, 36630), (495, 36408), (540, 33374), (555, 32472), (594, 30340), (615, 29304), (660, 27306), (666, 27060), (738, 24420), (740, 24354), (792, 22755), (814, 22140), (820, 21978), (888, 20295), (902, 19980), (984, 18315), (990, 18204), (999, 18040), (1080, 16687), (1107, 16280), (1110, 16236), (1188, 15170), (1221, 14760), (1230, 14652), (1320, 13653), (1332, 13530), (1353, 13320), (1476, 12210), (1480, 12177), (1485, 12136), (1517, 11880), (1628, 11070), (1640, 10989), (1665, 10824), (1804, 9990), (1845, 9768), (1980, 9102), (1998, 9020), (2035, 8856), (2214, 8140), (2220, 8118), (2255, 7992), (2376, 7585), (2442, 7380), (2460, 7326), (2664, 6765), (2706, 6660), (2952, 6105), (2970, 6068), (3034, 5940), (3256, 5535), (3330, 5412), (3608, 4995), (3663, 4920), (3690, 4884), (3960, 4551), (3996, 4510), (4059, 4440), (4070, 4428)]