18876836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 36

約数和(自身を含む): 37719024

約数和(自身を除く): 18842188

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 529, 811, 1012, 1058, 1622, 2116, 3244, 5819, 8921, 11638, 17842, 18653, 23276, 35684, 37306, 74612, 205183, 410366, 429019, 820732, 858038, 1716076, 4719209, 9438418, 18876836]

約数ペア:

[(1, 18876836), (2, 9438418), (4, 4719209), (11, 1716076), (22, 858038), (23, 820732), (44, 429019), (46, 410366), (92, 205183), (253, 74612), (506, 37306), (529, 35684), (811, 23276), (1012, 18653), (1058, 17842), (1622, 11638), (2116, 8921), (3244, 5819)]