19061812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 22870988

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 199, 308, 311, 398, 622, 796, 1244, 1393, 2177, 2189, 2786, 3421, 4354, 4378, 5572, 6842, 8708, 8756, 13684, 15323, 23947, 30646, 47894, 61292, 61889, 95788, 123778, 247556, 433223, 680779, 866446, 1361558, 1732892, 2723116, 4765453, 9530906, 19061812]

約数ペア:

[(1, 19061812), (2, 9530906), (4, 4765453), (7, 2723116), (11, 1732892), (14, 1361558), (22, 866446), (28, 680779), (44, 433223), (77, 247556), (154, 123778), (199, 95788), (308, 61889), (311, 61292), (398, 47894), (622, 30646), (796, 23947), (1244, 15323), (1393, 13684), (2177, 8756), (2189, 8708), (2786, 6842), (3421, 5572), (4354, 4378)]