19935802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9221}}^1$

素因数の和:9293

約数の個数: 16

約数和(自身を含む): 31871232

約数和(自身を除く): 11935430

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9221, 18442, 212083, 424166, 433387, 866774, 9967901, 19935802]

約数ペア:

[(1, 19935802), (2, 9967901), (23, 866774), (46, 433387), (47, 424166), (94, 212083), (1081, 18442), (2162, 9221)]