18664804556

素因数分解:

$2^2\times {\mathrm{1063}}^1\times {\mathrm{4389653}}^1$

素因数の和:4390720

約数の個数: 12

約数和(自身を含む): 32694142992

約数和(自身を除く): 14029338436

約数列:

[1, 2, 4, 1063, 2126, 4252, 4389653, 8779306, 17558612, 4666201139, 9332402278, 18664804556]

約数ペア:

[(1, 18664804556), (2, 9332402278), (4, 4666201139), (1063, 17558612), (2126, 8779306), (4252, 4389653)]