17681222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21937}}^1$

素因数の和:21983

約数の個数: 16

約数和(自身を含む): 29484672

約数和(自身を除く): 11803450

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 21937, 43874, 285181, 570362, 680047, 1360094, 8840611, 17681222]

約数ペア:

[(1, 17681222), (2, 8840611), (13, 1360094), (26, 680047), (31, 570362), (62, 285181), (403, 43874), (806, 21937)]