19957426

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:809

約数の個数: 16

約数和(自身を含む): 30443040

約数和(自身を除く): 10485614

約数列:

[1, 2, 107, 179, 214, 358, 521, 1042, 19153, 38306, 55747, 93259, 111494, 186518, 9978713, 19957426]

約数ペア:

[(1, 19957426), (2, 9978713), (107, 186518), (179, 111494), (214, 93259), (358, 55747), (521, 38306), (1042, 19153)]