19640588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6287}}^1$

素因数の和:6373

約数の個数: 24

約数和(自身を含む): 38029824

約数和(自身を除く): 18389236

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6287, 12574, 25148, 69157, 138314, 276628, 446377, 892754, 1785508, 4910147, 9820294, 19640588]

約数ペア:

[(1, 19640588), (2, 9820294), (4, 4910147), (11, 1785508), (22, 892754), (44, 446377), (71, 276628), (142, 138314), (284, 69157), (781, 25148), (1562, 12574), (3124, 6287)]