19580204

素因数分解:

$2^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:654

約数の個数: 36

約数和(自身を含む): 40113864

約数和(自身を除く): 20533660

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 283, 353, 566, 706, 1132, 1412, 1981, 2471, 3962, 4942, 7924, 9884, 13867, 17297, 27734, 34594, 55468, 69188, 99899, 199798, 399596, 699293, 1398586, 2797172, 4895051, 9790102, 19580204]

約数ペア:

[(1, 19580204), (2, 9790102), (4, 4895051), (7, 2797172), (14, 1398586), (28, 699293), (49, 399596), (98, 199798), (196, 99899), (283, 69188), (353, 55468), (566, 34594), (706, 27734), (1132, 17297), (1412, 13867), (1981, 9884), (2471, 7924), (3962, 4942)]