19661836

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 35678720

約数和(自身を除く): 16016884

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 1447, 2894, 3397, 5788, 6794, 13588, 62221, 114313, 124442, 228626, 248884, 457252, 4915459, 9830918, 19661836]

約数ペア:

[(1, 19661836), (2, 9830918), (4, 4915459), (43, 457252), (79, 248884), (86, 228626), (158, 124442), (172, 114313), (316, 62221), (1447, 13588), (2894, 6794), (3397, 5788)]