18207750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2207}}^1$

素因数の和:2238

約数の個数: 64

約数和(自身を含む): 49600512

約数和(自身を除く): 31392762

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 550, 750, 825, 1375, 1650, 2207, 2750, 4125, 4414, 6621, 8250, 11035, 13242, 22070, 24277, 33105, 48554, 55175, 66210, 72831, 110350, 121385, 145662, 165525, 242770, 275875, 331050, 364155, 551750, 606925, 728310, 827625, 1213850, 1655250, 1820775, 3034625, 3641550, 6069250, 9103875, 18207750]

約数ペア:

[(1, 18207750), (2, 9103875), (3, 6069250), (5, 3641550), (6, 3034625), (10, 1820775), (11, 1655250), (15, 1213850), (22, 827625), (25, 728310), (30, 606925), (33, 551750), (50, 364155), (55, 331050), (66, 275875), (75, 242770), (110, 165525), (125, 145662), (150, 121385), (165, 110350), (250, 72831), (275, 66210), (330, 55175), (375, 48554), (550, 33105), (750, 24277), (825, 22070), (1375, 13242), (1650, 11035), (2207, 8250), (2750, 6621), (4125, 4414)]