19754204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 36741600

約数和(自身を除く): 16987396

約数列:

[1, 2, 4, 17, 34, 68, 449, 647, 898, 1294, 1796, 2588, 7633, 10999, 15266, 21998, 30532, 43996, 290503, 581006, 1162012, 4938551, 9877102, 19754204]

約数ペア:

[(1, 19754204), (2, 9877102), (4, 4938551), (17, 1162012), (34, 581006), (68, 290503), (449, 43996), (647, 30532), (898, 21998), (1294, 15266), (1796, 10999), (2588, 7633)]