19766042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3491}}^1$

素因数の和:3661

約数の個数: 16

約数和(自身を含む): 31428000

約数和(自身を除く): 11661958

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3491, 5662, 6982, 66329, 132658, 520159, 1040318, 9883021, 19766042]

約数ペア:

[(1, 19766042), (2, 9883021), (19, 1040318), (38, 520159), (149, 132658), (298, 66329), (2831, 6982), (3491, 5662)]