19942676

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29501}}^1$

素因数の和:29531

約数の個数: 18

約数和(自身を含む): 37792062

約数和(自身を除く): 17849386

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29501, 59002, 118004, 383513, 767026, 1534052, 4985669, 9971338, 19942676]

約数ペア:

[(1, 19942676), (2, 9971338), (4, 4985669), (13, 1534052), (26, 767026), (52, 383513), (169, 118004), (338, 59002), (676, 29501)]