19399115519

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{104471}}^1$

素因数の和:105166

約数の個数: 16

約数和(自身を含む): 22746479616

約数和(自身を除く): 3347364097

約数列:

[1, 7, 41, 287, 647, 4529, 26527, 104471, 185689, 731297, 4283311, 29983177, 67592737, 473149159, 2771302217, 19399115519]

約数ペア:

[(1, 19399115519), (7, 2771302217), (41, 473149159), (287, 67592737), (647, 29983177), (4529, 4283311), (26527, 731297), (104471, 185689)]