18843300

素因数分解:

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

素因数の和:1027

約数の個数: 144

約数和(自身を含む): 69301120

約数和(自身を除く): 50457820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 997, 1050, 1260, 1350, 1575, 1890, 1994, 2100, 2700, 2991, 3150, 3780, 3988, 4725, 4985, 5982, 6300, 6979, 8973, 9450, 9970, 11964, 13958, 14955, 17946, 18900, 19940, 20937, 24925, 26919, 27916, 29910, 34895, 35892, 41874, 44865, 49850, 53838, 59820, 62811, 69790, 74775, 83748, 89730, 99700, 104685, 107676, 125622, 134595, 139580, 149550, 174475, 179460, 188433, 209370, 224325, 251244, 269190, 299100, 314055, 348950, 376866, 418740, 448650, 523425, 538380, 628110, 672975, 697900, 753732, 897300, 942165, 1046850, 1256220, 1345950, 1570275, 1884330, 2093700, 2691900, 3140550, 3768660, 4710825, 6281100, 9421650, 18843300]

約数ペア:

[(1, 18843300), (2, 9421650), (3, 6281100), (4, 4710825), (5, 3768660), (6, 3140550), (7, 2691900), (9, 2093700), (10, 1884330), (12, 1570275), (14, 1345950), (15, 1256220), (18, 1046850), (20, 942165), (21, 897300), (25, 753732), (27, 697900), (28, 672975), (30, 628110), (35, 538380), (36, 523425), (42, 448650), (45, 418740), (50, 376866), (54, 348950), (60, 314055), (63, 299100), (70, 269190), (75, 251244), (84, 224325), (90, 209370), (100, 188433), (105, 179460), (108, 174475), (126, 149550), (135, 139580), (140, 134595), (150, 125622), (175, 107676), (180, 104685), (189, 99700), (210, 89730), (225, 83748), (252, 74775), (270, 69790), (300, 62811), (315, 59820), (350, 53838), (378, 49850), (420, 44865), (450, 41874), (525, 35892), (540, 34895), (630, 29910), (675, 27916), (700, 26919), (756, 24925), (900, 20937), (945, 19940), (997, 18900), (1050, 17946), (1260, 14955), (1350, 13958), (1575, 11964), (1890, 9970), (1994, 9450), (2100, 8973), (2700, 6979), (2991, 6300), (3150, 5982), (3780, 4985), (3988, 4725)]