18554760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 71136000

約数和(自身を除く): 52581240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 199, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 398, 420, 444, 504, 518, 555, 597, 630, 666, 740, 777, 796, 840, 888, 995, 1036, 1110, 1194, 1260, 1295, 1332, 1393, 1480, 1554, 1592, 1665, 1791, 1990, 2072, 2220, 2331, 2388, 2520, 2590, 2664, 2786, 2985, 3108, 3330, 3582, 3885, 3980, 4179, 4440, 4662, 4776, 5180, 5572, 5970, 6216, 6660, 6965, 7164, 7363, 7770, 7960, 8358, 8955, 9324, 10360, 11144, 11655, 11940, 12537, 13320, 13930, 14328, 14726, 15540, 16716, 17910, 18648, 20895, 22089, 23310, 23880, 25074, 27860, 29452, 31080, 33432, 35820, 36815, 41790, 44178, 46620, 50148, 51541, 55720, 58904, 62685, 66267, 71640, 73630, 83580, 88356, 93240, 100296, 103082, 110445, 125370, 132534, 147260, 154623, 167160, 176712, 206164, 220890, 250740, 257705, 265068, 294520, 309246, 331335, 412328, 441780, 463869, 501480, 515410, 530136, 618492, 662670, 773115, 883560, 927738, 1030820, 1236984, 1325340, 1546230, 1855476, 2061640, 2319345, 2650680, 3092460, 3710952, 4638690, 6184920, 9277380, 18554760]

約数ペア:

[(1, 18554760), (2, 9277380), (3, 6184920), (4, 4638690), (5, 3710952), (6, 3092460), (7, 2650680), (8, 2319345), (9, 2061640), (10, 1855476), (12, 1546230), (14, 1325340), (15, 1236984), (18, 1030820), (20, 927738), (21, 883560), (24, 773115), (28, 662670), (30, 618492), (35, 530136), (36, 515410), (37, 501480), (40, 463869), (42, 441780), (45, 412328), (56, 331335), (60, 309246), (63, 294520), (70, 265068), (72, 257705), (74, 250740), (84, 220890), (90, 206164), (105, 176712), (111, 167160), (120, 154623), (126, 147260), (140, 132534), (148, 125370), (168, 110445), (180, 103082), (185, 100296), (199, 93240), (210, 88356), (222, 83580), (252, 73630), (259, 71640), (280, 66267), (296, 62685), (315, 58904), (333, 55720), (360, 51541), (370, 50148), (398, 46620), (420, 44178), (444, 41790), (504, 36815), (518, 35820), (555, 33432), (597, 31080), (630, 29452), (666, 27860), (740, 25074), (777, 23880), (796, 23310), (840, 22089), (888, 20895), (995, 18648), (1036, 17910), (1110, 16716), (1194, 15540), (1260, 14726), (1295, 14328), (1332, 13930), (1393, 13320), (1480, 12537), (1554, 11940), (1592, 11655), (1665, 11144), (1791, 10360), (1990, 9324), (2072, 8955), (2220, 8358), (2331, 7960), (2388, 7770), (2520, 7363), (2590, 7164), (2664, 6965), (2786, 6660), (2985, 6216), (3108, 5970), (3330, 5572), (3582, 5180), (3885, 4776), (3980, 4662), (4179, 4440)]