19949068

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3643}}^1$

素因数の和:3721

約数の個数: 18

約数和(自身を含む): 35889756

約数和(自身を除く): 15940688

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3643, 5476, 7286, 14572, 134791, 269582, 539164, 4987267, 9974534, 19949068]

約数ペア:

[(1, 19949068), (2, 9974534), (4, 4987267), (37, 539164), (74, 269582), (148, 134791), (1369, 14572), (2738, 7286), (3643, 5476)]