19148437

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1836

約数の個数: 16

約数和(自身を含む): 24048000

約数和(自身を除く): 4899563

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 1669, 11473, 11683, 18359, 128513, 248681, 1740767, 2735491, 19148437]

約数ペア:

[(1, 19148437), (7, 2735491), (11, 1740767), (77, 248681), (149, 128513), (1043, 18359), (1639, 11683), (1669, 11473)]