18721260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:992

約数の個数: 96

約数和(自身を含む): 59881920

約数和(自身を除く): 41160660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 937, 999, 1110, 1332, 1665, 1874, 1998, 2220, 2811, 3330, 3748, 3996, 4685, 4995, 5622, 6660, 8433, 9370, 9990, 11244, 14055, 16866, 18740, 19980, 25299, 28110, 33732, 34669, 42165, 50598, 56220, 69338, 84330, 101196, 104007, 126495, 138676, 168660, 173345, 208014, 252990, 312021, 346690, 416028, 505980, 520035, 624042, 693380, 936063, 1040070, 1248084, 1560105, 1872126, 2080140, 3120210, 3744252, 4680315, 6240420, 9360630, 18721260]

約数ペア:

[(1, 18721260), (2, 9360630), (3, 6240420), (4, 4680315), (5, 3744252), (6, 3120210), (9, 2080140), (10, 1872126), (12, 1560105), (15, 1248084), (18, 1040070), (20, 936063), (27, 693380), (30, 624042), (36, 520035), (37, 505980), (45, 416028), (54, 346690), (60, 312021), (74, 252990), (90, 208014), (108, 173345), (111, 168660), (135, 138676), (148, 126495), (180, 104007), (185, 101196), (222, 84330), (270, 69338), (333, 56220), (370, 50598), (444, 42165), (540, 34669), (555, 33732), (666, 28110), (740, 25299), (937, 19980), (999, 18740), (1110, 16866), (1332, 14055), (1665, 11244), (1874, 9990), (1998, 9370), (2220, 8433), (2811, 6660), (3330, 5622), (3748, 4995), (3996, 4685)]