19406391

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1109}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 27350400

約数和(自身を除く): 7944009

約数列:

[1, 3, 19, 57, 307, 921, 1109, 3327, 5833, 17499, 21071, 63213, 340463, 1021389, 6468797, 19406391]

約数ペア:

[(1, 19406391), (3, 6468797), (19, 1021389), (57, 340463), (307, 63213), (921, 21071), (1109, 17499), (3327, 5833)]