18890054

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{643}}^1$

素因数の和:1079

約数の個数: 16

約数和(自身を含む): 29219568

約数和(自身を除く): 10329514

約数列:

[1, 2, 37, 74, 397, 643, 794, 1286, 14689, 23791, 29378, 47582, 255271, 510542, 9445027, 18890054]

約数ペア:

[(1, 18890054), (2, 9445027), (37, 510542), (74, 255271), (397, 47582), (643, 29378), (794, 23791), (1286, 14689)]