19755364

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13681}}^1$

素因数の和:13723

約数の個数: 18

約数和(自身を含む): 36489894

約数和(自身を除く): 16734530

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13681, 27362, 54724, 259939, 519878, 1039756, 4938841, 9877682, 19755364]

約数ペア:

[(1, 19755364), (2, 9877682), (4, 4938841), (19, 1039756), (38, 519878), (76, 259939), (361, 54724), (722, 27362), (1444, 13681)]