19956412

素因数分解:

$2^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{881}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 20051108

約数列:

[1, 2, 4, 7, 14, 28, 809, 881, 1618, 1762, 3236, 3524, 5663, 6167, 11326, 12334, 22652, 24668, 712729, 1425458, 2850916, 4989103, 9978206, 19956412]

約数ペア:

[(1, 19956412), (2, 9978206), (4, 4989103), (7, 2850916), (14, 1425458), (28, 712729), (809, 24668), (881, 22652), (1618, 12334), (1762, 11326), (3236, 6167), (3524, 5663)]