19181316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20759}}^1$

素因数の和:20784

約数の個数: 48

約数和(自身を含む): 55802880

約数和(自身を除く): 36621564

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20759, 41518, 62277, 83036, 124554, 145313, 228349, 249108, 290626, 435939, 456698, 581252, 685047, 871878, 913396, 1370094, 1598443, 1743756, 2740188, 3196886, 4795329, 6393772, 9590658, 19181316]

約数ペア:

[(1, 19181316), (2, 9590658), (3, 6393772), (4, 4795329), (6, 3196886), (7, 2740188), (11, 1743756), (12, 1598443), (14, 1370094), (21, 913396), (22, 871878), (28, 685047), (33, 581252), (42, 456698), (44, 435939), (66, 290626), (77, 249108), (84, 228349), (132, 145313), (154, 124554), (231, 83036), (308, 62277), (462, 41518), (924, 20759)]