19659666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 42533568

約数和(自身を除く): 22873902

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 821, 921, 1642, 1842, 2463, 3991, 4926, 7982, 10673, 11973, 21346, 23946, 32019, 64038, 252047, 504094, 756141, 1512282, 3276611, 6553222, 9829833, 19659666]

約数ペア:

[(1, 19659666), (2, 9829833), (3, 6553222), (6, 3276611), (13, 1512282), (26, 756141), (39, 504094), (78, 252047), (307, 64038), (614, 32019), (821, 23946), (921, 21346), (1642, 11973), (1842, 10673), (2463, 7982), (3991, 4926)]