18517571

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 20352000

約数和(自身を除く): 1834429

約数列:

[1, 19, 31, 149, 211, 589, 2831, 4009, 4619, 6541, 31439, 87761, 124279, 597341, 974609, 18517571]

約数ペア:

[(1, 18517571), (19, 974609), (31, 597341), (149, 124279), (211, 87761), (589, 31439), (2831, 6541), (4009, 4619)]