18889600180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85861819}}^1$

素因数の和:85861839

約数の個数: 24

約数和(自身を含む): 43274357280

約数和(自身を除く): 24384757100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85861819, 171723638, 343447276, 429309095, 858618190, 944480009, 1717236380, 1888960018, 3777920036, 4722400045, 9444800090, 18889600180]

約数ペア:

[(1, 18889600180), (2, 9444800090), (4, 4722400045), (5, 3777920036), (10, 1888960018), (11, 1717236380), (20, 944480009), (22, 858618190), (44, 429309095), (55, 343447276), (110, 171723638), (220, 85861819)]