18891000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{2099}}^1$

素因数の和:2126

約数の個数: 96

約数和(自身を含む): 63882000

約数和(自身を除く): 44991000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2099, 2250, 3000, 4198, 4500, 6297, 8396, 9000, 10495, 12594, 16792, 18891, 20990, 25188, 31485, 37782, 41980, 50376, 52475, 62970, 75564, 83960, 94455, 104950, 125940, 151128, 157425, 188910, 209900, 251880, 262375, 314850, 377820, 419800, 472275, 524750, 629700, 755640, 787125, 944550, 1049500, 1259400, 1574250, 1889100, 2099000, 2361375, 3148500, 3778200, 4722750, 6297000, 9445500, 18891000]

約数ペア:

[(1, 18891000), (2, 9445500), (3, 6297000), (4, 4722750), (5, 3778200), (6, 3148500), (8, 2361375), (9, 2099000), (10, 1889100), (12, 1574250), (15, 1259400), (18, 1049500), (20, 944550), (24, 787125), (25, 755640), (30, 629700), (36, 524750), (40, 472275), (45, 419800), (50, 377820), (60, 314850), (72, 262375), (75, 251880), (90, 209900), (100, 188910), (120, 157425), (125, 151128), (150, 125940), (180, 104950), (200, 94455), (225, 83960), (250, 75564), (300, 62970), (360, 52475), (375, 50376), (450, 41980), (500, 37782), (600, 31485), (750, 25188), (900, 20990), (1000, 18891), (1125, 16792), (1500, 12594), (1800, 10495), (2099, 9000), (2250, 8396), (3000, 6297), (4198, 4500)]