18956778540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{2663}}^1$

素因数の和:3696

約数の個数: 192

約数和(自身を含む): 64318593024

約数和(自身を除く): 45361814484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 997, 1020, 1190, 1428, 1785, 1994, 2380, 2663, 2991, 3570, 3988, 4985, 5326, 5982, 6979, 7140, 7989, 9970, 10652, 11964, 13315, 13958, 14955, 15978, 16949, 18641, 19940, 20937, 26630, 27916, 29910, 31956, 33898, 34895, 37282, 39945, 41874, 45271, 50847, 53260, 55923, 59820, 67796, 69790, 74564, 79890, 83748, 84745, 90542, 93205, 101694, 104685, 111846, 118643, 135813, 139580, 159780, 169490, 181084, 186410, 203388, 209370, 223692, 226355, 237286, 254235, 271626, 279615, 316897, 338980, 355929, 372820, 418740, 452710, 474572, 508470, 543252, 559230, 593215, 633794, 679065, 711858, 905420, 950691, 1016940, 1118460, 1186430, 1267588, 1358130, 1423716, 1584485, 1779645, 1901382, 2372860, 2655011, 2716260, 3168970, 3559290, 3802764, 4753455, 5310022, 6337940, 7118580, 7965033, 9506910, 10620044, 13275055, 15930066, 18585077, 19013820, 26550110, 31860132, 37170154, 39825165, 45135187, 53100220, 55755231, 74340308, 79650330, 90270374, 92925385, 111510462, 135405561, 159300660, 180540748, 185850770, 223020924, 225675935, 270811122, 278776155, 315946309, 371701540, 451351870, 541622244, 557552310, 631892618, 677027805, 902703740, 947838927, 1115104620, 1263785236, 1354055610, 1579731545, 1895677854, 2708111220, 3159463090, 3791355708, 4739194635, 6318926180, 9478389270, 18956778540]

約数ペア:

[(1, 18956778540), (2, 9478389270), (3, 6318926180), (4, 4739194635), (5, 3791355708), (6, 3159463090), (7, 2708111220), (10, 1895677854), (12, 1579731545), (14, 1354055610), (15, 1263785236), (17, 1115104620), (20, 947838927), (21, 902703740), (28, 677027805), (30, 631892618), (34, 557552310), (35, 541622244), (42, 451351870), (51, 371701540), (60, 315946309), (68, 278776155), (70, 270811122), (84, 225675935), (85, 223020924), (102, 185850770), (105, 180540748), (119, 159300660), (140, 135405561), (170, 111510462), (204, 92925385), (210, 90270374), (238, 79650330), (255, 74340308), (340, 55755231), (357, 53100220), (420, 45135187), (476, 39825165), (510, 37170154), (595, 31860132), (714, 26550110), (997, 19013820), (1020, 18585077), (1190, 15930066), (1428, 13275055), (1785, 10620044), (1994, 9506910), (2380, 7965033), (2663, 7118580), (2991, 6337940), (3570, 5310022), (3988, 4753455), (4985, 3802764), (5326, 3559290), (5982, 3168970), (6979, 2716260), (7140, 2655011), (7989, 2372860), (9970, 1901382), (10652, 1779645), (11964, 1584485), (13315, 1423716), (13958, 1358130), (14955, 1267588), (15978, 1186430), (16949, 1118460), (18641, 1016940), (19940, 950691), (20937, 905420), (26630, 711858), (27916, 679065), (29910, 633794), (31956, 593215), (33898, 559230), (34895, 543252), (37282, 508470), (39945, 474572), (41874, 452710), (45271, 418740), (50847, 372820), (53260, 355929), (55923, 338980), (59820, 316897), (67796, 279615), (69790, 271626), (74564, 254235), (79890, 237286), (83748, 226355), (84745, 223692), (90542, 209370), (93205, 203388), (101694, 186410), (104685, 181084), (111846, 169490), (118643, 159780), (135813, 139580)]