19903730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25849}}^1$

素因数の和:25874

約数の個数: 32

約数和(自身を含む): 44668800

約数和(自身を除く): 24765070

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25849, 51698, 129245, 180943, 258490, 284339, 361886, 568678, 904715, 1421695, 1809430, 1990373, 2843390, 3980746, 9951865, 19903730]

約数ペア:

[(1, 19903730), (2, 9951865), (5, 3980746), (7, 2843390), (10, 1990373), (11, 1809430), (14, 1421695), (22, 904715), (35, 568678), (55, 361886), (70, 284339), (77, 258490), (110, 180943), (154, 129245), (385, 51698), (770, 25849)]