17928706

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 27345600

約数和(自身を除く): 9416894

約数列:

[1, 2, 107, 199, 214, 398, 421, 842, 21293, 42586, 45047, 83779, 90094, 167558, 8964353, 17928706]

約数ペア:

[(1, 17928706), (2, 8964353), (107, 167558), (199, 90094), (214, 83779), (398, 45047), (421, 42586), (842, 21293)]