19829173

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4481

約数の個数: 16

約数和(自身を含む): 24908800

約数和(自身を除く): 5079627

約数列:

[1, 7, 13, 49, 91, 343, 637, 4447, 4459, 31129, 57811, 217903, 404677, 1525321, 2832739, 19829173]

約数ペア:

[(1, 19829173), (7, 2832739), (13, 1525321), (49, 404677), (91, 217903), (343, 57811), (637, 31129), (4447, 4459)]