19770212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64189}}^1$

素因数の和:64211

約数の個数: 24

約数和(自身を含む): 43135680

約数和(自身を除く): 23365468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64189, 128378, 256756, 449323, 706079, 898646, 1412158, 1797292, 2824316, 4942553, 9885106, 19770212]

約数ペア:

[(1, 19770212), (2, 9885106), (4, 4942553), (7, 2824316), (11, 1797292), (14, 1412158), (22, 898646), (28, 706079), (44, 449323), (77, 256756), (154, 128378), (308, 64189)]