19949148

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7591}}^1$

素因数の和:7674

約数の個数: 36

約数和(自身を含む): 51124528

約数和(自身を除く): 31175380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7591, 15182, 22773, 30364, 45546, 68319, 91092, 136638, 273276, 554143, 1108286, 1662429, 2216572, 3324858, 4987287, 6649716, 9974574, 19949148]

約数ペア:

[(1, 19949148), (2, 9974574), (3, 6649716), (4, 4987287), (6, 3324858), (9, 2216572), (12, 1662429), (18, 1108286), (36, 554143), (73, 273276), (146, 136638), (219, 91092), (292, 68319), (438, 45546), (657, 30364), (876, 22773), (1314, 15182), (2628, 7591)]