18443812

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 33106752

約数和(自身を除く): 14662940

約数列:

[1, 2, 4, 71, 101, 142, 202, 284, 404, 643, 1286, 2572, 7171, 14342, 28684, 45653, 64943, 91306, 129886, 182612, 259772, 4610953, 9221906, 18443812]

約数ペア:

[(1, 18443812), (2, 9221906), (4, 4610953), (71, 259772), (101, 182612), (142, 129886), (202, 91306), (284, 64943), (404, 45653), (643, 28684), (1286, 14342), (2572, 7171)]