18655560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1$

素因数の和:708

約数の個数: 192

約数和(自身を含む): 75703680

約数和(自身を除く): 57048120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 673, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1346, 1386, 1540, 1848, 1980, 2019, 2310, 2520, 2692, 2772, 3080, 3365, 3465, 3960, 4038, 4620, 4711, 5384, 5544, 6057, 6730, 6930, 7403, 8076, 9240, 9422, 10095, 12114, 13460, 13860, 14133, 14806, 16152, 18844, 20190, 22209, 23555, 24228, 26920, 27720, 28266, 29612, 30285, 37015, 37688, 40380, 42399, 44418, 47110, 48456, 51821, 56532, 59224, 60570, 66627, 70665, 74030, 80760, 84798, 88836, 94220, 103642, 111045, 113064, 121140, 133254, 141330, 148060, 155463, 169596, 177672, 188440, 207284, 211995, 222090, 242280, 259105, 266508, 282660, 296120, 310926, 333135, 339192, 414568, 423990, 444180, 466389, 518210, 533016, 565320, 621852, 666270, 777315, 847980, 888360, 932778, 1036420, 1243704, 1332540, 1554630, 1695960, 1865556, 2072840, 2331945, 2665080, 3109260, 3731112, 4663890, 6218520, 9327780, 18655560]

約数ペア:

[(1, 18655560), (2, 9327780), (3, 6218520), (4, 4663890), (5, 3731112), (6, 3109260), (7, 2665080), (8, 2331945), (9, 2072840), (10, 1865556), (11, 1695960), (12, 1554630), (14, 1332540), (15, 1243704), (18, 1036420), (20, 932778), (21, 888360), (22, 847980), (24, 777315), (28, 666270), (30, 621852), (33, 565320), (35, 533016), (36, 518210), (40, 466389), (42, 444180), (44, 423990), (45, 414568), (55, 339192), (56, 333135), (60, 310926), (63, 296120), (66, 282660), (70, 266508), (72, 259105), (77, 242280), (84, 222090), (88, 211995), (90, 207284), (99, 188440), (105, 177672), (110, 169596), (120, 155463), (126, 148060), (132, 141330), (140, 133254), (154, 121140), (165, 113064), (168, 111045), (180, 103642), (198, 94220), (210, 88836), (220, 84798), (231, 80760), (252, 74030), (264, 70665), (280, 66627), (308, 60570), (315, 59224), (330, 56532), (360, 51821), (385, 48456), (396, 47110), (420, 44418), (440, 42399), (462, 40380), (495, 37688), (504, 37015), (616, 30285), (630, 29612), (660, 28266), (673, 27720), (693, 26920), (770, 24228), (792, 23555), (840, 22209), (924, 20190), (990, 18844), (1155, 16152), (1260, 14806), (1320, 14133), (1346, 13860), (1386, 13460), (1540, 12114), (1848, 10095), (1980, 9422), (2019, 9240), (2310, 8076), (2520, 7403), (2692, 6930), (2772, 6730), (3080, 6057), (3365, 5544), (3465, 5384), (3960, 4711), (4038, 4620)]