18888556

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66509}}^1$

素因数の和:66584

約数の個数: 12

約数和(自身を含む): 33521040

約数和(自身を除く): 14632484

約数列:

[1, 2, 4, 71, 142, 284, 66509, 133018, 266036, 4722139, 9444278, 18888556]

約数ペア:

[(1, 18888556), (2, 9444278), (4, 4722139), (71, 266036), (142, 133018), (284, 66509)]