18943606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4327}}^1$

素因数の和:4539

約数の個数: 16

約数和(自身を含む): 31161600

約数和(自身を除く): 12217994

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4327, 4378, 8654, 47597, 95194, 861073, 1722146, 9471803, 18943606]

約数ペア:

[(1, 18943606), (2, 9471803), (11, 1722146), (22, 861073), (199, 95194), (398, 47597), (2189, 8654), (4327, 4378)]