19904808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10771}}^1$

素因数の和:10798

約数の個数: 64

約数和(自身を含む): 62046720

約数和(自身を除く): 42141912

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 10771, 21542, 32313, 43084, 64626, 75397, 86168, 118481, 129252, 150794, 226191, 236962, 258504, 301588, 355443, 452382, 473924, 603176, 710886, 829367, 904764, 947848, 1421772, 1658734, 1809528, 2488101, 2843544, 3317468, 4976202, 6634936, 9952404, 19904808]

約数ペア:

[(1, 19904808), (2, 9952404), (3, 6634936), (4, 4976202), (6, 3317468), (7, 2843544), (8, 2488101), (11, 1809528), (12, 1658734), (14, 1421772), (21, 947848), (22, 904764), (24, 829367), (28, 710886), (33, 603176), (42, 473924), (44, 452382), (56, 355443), (66, 301588), (77, 258504), (84, 236962), (88, 226191), (132, 150794), (154, 129252), (168, 118481), (231, 86168), (264, 75397), (308, 64626), (462, 43084), (616, 32313), (924, 21542), (1848, 10771)]