18828858

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2903}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 40144896

約数和(自身を除く): 21316038

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 2903, 3243, 5806, 6486, 8709, 17418, 66769, 133538, 136441, 200307, 272882, 400614, 409323, 818646, 3138143, 6276286, 9414429, 18828858]

約数ペア:

[(1, 18828858), (2, 9414429), (3, 6276286), (6, 3138143), (23, 818646), (46, 409323), (47, 400614), (69, 272882), (94, 200307), (138, 136441), (141, 133538), (282, 66769), (1081, 17418), (2162, 8709), (2903, 6486), (3243, 5806)]