18991652

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12143}}^1$

素因数の和:12187

約数の個数: 24

約数和(自身を含む): 36723456

約数和(自身を除く): 17731804

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 12143, 24286, 48572, 206431, 279289, 412862, 558578, 825724, 1117156, 4747913, 9495826, 18991652]

約数ペア:

[(1, 18991652), (2, 9495826), (4, 4747913), (17, 1117156), (23, 825724), (34, 558578), (46, 412862), (68, 279289), (92, 206431), (391, 48572), (782, 24286), (1564, 12143)]