19788488

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{66853}}^1$

素因数の和:66896

約数の個数: 16

約数和(自身を含む): 38106780

約数和(自身を除く): 18318292

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 66853, 133706, 267412, 534824, 2473561, 4947122, 9894244, 19788488]

約数ペア:

[(1, 19788488), (2, 9894244), (4, 4947122), (8, 2473561), (37, 534824), (74, 267412), (148, 133706), (296, 66853)]