19517690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 36267264

約数和(自身を除く): 16749574

約数列:

[1, 2, 5, 10, 47, 94, 131, 235, 262, 317, 470, 634, 655, 1310, 1585, 3170, 6157, 12314, 14899, 29798, 30785, 41527, 61570, 74495, 83054, 148990, 207635, 415270, 1951769, 3903538, 9758845, 19517690]

約数ペア:

[(1, 19517690), (2, 9758845), (5, 3903538), (10, 1951769), (47, 415270), (94, 207635), (131, 148990), (235, 83054), (262, 74495), (317, 61570), (470, 41527), (634, 30785), (655, 29798), (1310, 14899), (1585, 12314), (3170, 6157)]