19960974

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1381}}^1$

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 47861424

約数和(自身を除く): 27900450

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 73, 99, 146, 198, 219, 438, 657, 803, 1314, 1381, 1606, 2409, 2762, 4143, 4818, 7227, 8286, 12429, 14454, 15191, 24858, 30382, 45573, 91146, 100813, 136719, 201626, 273438, 302439, 604878, 907317, 1108943, 1814634, 2217886, 3326829, 6653658, 9980487, 19960974]

約数ペア:

[(1, 19960974), (2, 9980487), (3, 6653658), (6, 3326829), (9, 2217886), (11, 1814634), (18, 1108943), (22, 907317), (33, 604878), (66, 302439), (73, 273438), (99, 201626), (146, 136719), (198, 100813), (219, 91146), (438, 45573), (657, 30382), (803, 24858), (1314, 15191), (1381, 14454), (1606, 12429), (2409, 8286), (2762, 7227), (4143, 4818)]