19770828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21397}}^1$

素因数の和:21422

約数の個数: 48

約数和(自身を含む): 57517824

約数和(自身を除く): 37746996

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, 21397, 42794, 64191, 85588, 128382, 149779, 235367, 256764, 299558, 449337, 470734, 599116, 706101, 898674, 941468, 1412202, 1647569, 1797348, 2824404, 3295138, 4942707, 6590276, 9885414, 19770828]

約数ペア:

[(1, 19770828), (2, 9885414), (3, 6590276), (4, 4942707), (6, 3295138), (7, 2824404), (11, 1797348), (12, 1647569), (14, 1412202), (21, 941468), (22, 898674), (28, 706101), (33, 599116), (42, 470734), (44, 449337), (66, 299558), (77, 256764), (84, 235367), (132, 149779), (154, 128382), (231, 85588), (308, 64191), (462, 42794), (924, 21397)]