19289468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2203}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 37027200

約数和(自身を除く): 17737732

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 2203, 4378, 4406, 8756, 8812, 24233, 48466, 96932, 438397, 876794, 1753588, 4822367, 9644734, 19289468]

約数ペア:

[(1, 19289468), (2, 9644734), (4, 4822367), (11, 1753588), (22, 876794), (44, 438397), (199, 96932), (398, 48466), (796, 24233), (2189, 8812), (2203, 8756), (4378, 4406)]