19654139

素因数分解:

${\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 20951040

約数和(自身を除く): 1296901

約数列:

[1, 43, 59, 61, 127, 2537, 2623, 3599, 5461, 7493, 7747, 154757, 322199, 333121, 457073, 19654139]

約数ペア:

[(1, 19654139), (43, 457073), (59, 333121), (61, 322199), (127, 154757), (2537, 7747), (2623, 7493), (3599, 5461)]