20189798829

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39356333}}^1$

素因数の和:39356361

約数の個数: 16

約数和(自身を含む): 31485067200

約数和(自身を除く): 11295268371

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39356333, 118068999, 354206997, 747770327, 1062620991, 2243310981, 6729932943, 20189798829]

約数ペア:

[(1, 20189798829), (3, 6729932943), (9, 2243310981), (19, 1062620991), (27, 747770327), (57, 354206997), (171, 118068999), (513, 39356333)]