18321660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 67415040

約数和(自身を除く): 49093380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 70, 74, 84, 90, 105, 108, 111, 126, 131, 135, 140, 148, 180, 185, 189, 210, 222, 252, 259, 262, 270, 315, 333, 370, 378, 393, 420, 444, 518, 524, 540, 555, 630, 655, 666, 740, 756, 777, 786, 917, 945, 999, 1036, 1110, 1179, 1260, 1295, 1310, 1332, 1554, 1572, 1665, 1834, 1890, 1965, 1998, 2220, 2331, 2358, 2590, 2620, 2751, 3108, 3330, 3537, 3668, 3780, 3885, 3930, 3996, 4585, 4662, 4716, 4847, 4995, 5180, 5502, 5895, 6660, 6993, 7074, 7770, 7860, 8253, 9170, 9324, 9694, 9990, 11004, 11655, 11790, 13755, 13986, 14148, 14541, 15540, 16506, 17685, 18340, 19388, 19980, 23310, 23580, 24235, 24759, 27510, 27972, 29082, 33012, 33929, 34965, 35370, 41265, 43623, 46620, 48470, 49518, 55020, 58164, 67858, 69930, 70740, 72705, 82530, 87246, 96940, 99036, 101787, 123795, 130869, 135716, 139860, 145410, 165060, 169645, 174492, 203574, 218115, 247590, 261738, 290820, 305361, 339290, 407148, 436230, 495180, 508935, 523476, 610722, 654345, 678580, 872460, 916083, 1017870, 1221444, 1308690, 1526805, 1832166, 2035740, 2617380, 3053610, 3664332, 4580415, 6107220, 9160830, 18321660]

約数ペア:

[(1, 18321660), (2, 9160830), (3, 6107220), (4, 4580415), (5, 3664332), (6, 3053610), (7, 2617380), (9, 2035740), (10, 1832166), (12, 1526805), (14, 1308690), (15, 1221444), (18, 1017870), (20, 916083), (21, 872460), (27, 678580), (28, 654345), (30, 610722), (35, 523476), (36, 508935), (37, 495180), (42, 436230), (45, 407148), (54, 339290), (60, 305361), (63, 290820), (70, 261738), (74, 247590), (84, 218115), (90, 203574), (105, 174492), (108, 169645), (111, 165060), (126, 145410), (131, 139860), (135, 135716), (140, 130869), (148, 123795), (180, 101787), (185, 99036), (189, 96940), (210, 87246), (222, 82530), (252, 72705), (259, 70740), (262, 69930), (270, 67858), (315, 58164), (333, 55020), (370, 49518), (378, 48470), (393, 46620), (420, 43623), (444, 41265), (518, 35370), (524, 34965), (540, 33929), (555, 33012), (630, 29082), (655, 27972), (666, 27510), (740, 24759), (756, 24235), (777, 23580), (786, 23310), (917, 19980), (945, 19388), (999, 18340), (1036, 17685), (1110, 16506), (1179, 15540), (1260, 14541), (1295, 14148), (1310, 13986), (1332, 13755), (1554, 11790), (1572, 11655), (1665, 11004), (1834, 9990), (1890, 9694), (1965, 9324), (1998, 9170), (2220, 8253), (2331, 7860), (2358, 7770), (2590, 7074), (2620, 6993), (2751, 6660), (3108, 5895), (3330, 5502), (3537, 5180), (3668, 4995), (3780, 4847), (3885, 4716), (3930, 4662), (3996, 4585)]