19708816

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4793}}^1$

素因数の和:5058

約数の個数: 20

約数和(自身を含む): 38342412

約数和(自身を除く): 18633596

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4793, 9586, 19172, 38344, 76688, 1231801, 2463602, 4927204, 9854408, 19708816]

約数ペア:

[(1, 19708816), (2, 9854408), (4, 4927204), (8, 2463602), (16, 1231801), (257, 76688), (514, 38344), (1028, 19172), (2056, 9586), (4112, 4793)]