19680584

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 27459256

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 743, 946, 1204, 1486, 1892, 2408, 2972, 3311, 3784, 5201, 5944, 6622, 8173, 10402, 13244, 16346, 20804, 26488, 31949, 32692, 41608, 57211, 63898, 65384, 114422, 127796, 223643, 228844, 255592, 351439, 447286, 457688, 702878, 894572, 1405756, 1789144, 2460073, 2811512, 4920146, 9840292, 19680584]

約数ペア:

[(1, 19680584), (2, 9840292), (4, 4920146), (7, 2811512), (8, 2460073), (11, 1789144), (14, 1405756), (22, 894572), (28, 702878), (43, 457688), (44, 447286), (56, 351439), (77, 255592), (86, 228844), (88, 223643), (154, 127796), (172, 114422), (301, 65384), (308, 63898), (344, 57211), (473, 41608), (602, 32692), (616, 31949), (743, 26488), (946, 20804), (1204, 16346), (1486, 13244), (1892, 10402), (2408, 8173), (2972, 6622), (3311, 5944), (3784, 5201)]