19216156

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{4999}}^1$

素因数の和:5065

約数の個数: 18

約数和(自身を含む): 34755000

約数和(自身を除く): 15538844

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 4999, 9998, 19996, 154969, 309938, 619876, 4804039, 9608078, 19216156]

約数ペア:

[(1, 19216156), (2, 9608078), (4, 4804039), (31, 619876), (62, 309938), (124, 154969), (961, 19996), (1922, 9998), (3844, 4999)]