19905288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{63799}}^1$

素因数の和:63821

約数の個数: 32

約数和(自身を含む): 53592000

約数和(自身を除く): 33686712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 63799, 127598, 191397, 255196, 382794, 510392, 765588, 829387, 1531176, 1658774, 2488161, 3317548, 4976322, 6635096, 9952644, 19905288]

約数ペア:

[(1, 19905288), (2, 9952644), (3, 6635096), (4, 4976322), (6, 3317548), (8, 2488161), (12, 1658774), (13, 1531176), (24, 829387), (26, 765588), (39, 510392), (52, 382794), (78, 255196), (104, 191397), (156, 127598), (312, 63799)]