18440521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:872

約数の個数: 12

約数和(自身を含む): 20382516

約数和(自身を除く): 1941995

約数列:

[1, 11, 121, 257, 593, 2827, 6523, 31097, 71753, 152401, 1676411, 18440521]

約数ペア:

[(1, 18440521), (11, 1676411), (121, 152401), (257, 71753), (593, 31097), (2827, 6523)]