19785784

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6047}}^1$

素因数の和:6462

約数の個数: 16

約数和(自身を含む): 37195200

約数和(自身を除く): 17409416

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6047, 12094, 24188, 48376, 2473223, 4946446, 9892892, 19785784]

約数ペア:

[(1, 19785784), (2, 9892892), (4, 4946446), (8, 2473223), (409, 48376), (818, 24188), (1636, 12094), (3272, 6047)]