19192649

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 23571072

約数和(自身を除く): 4378423

約数列:

[1, 7, 23, 71, 73, 161, 497, 511, 529, 1633, 1679, 3703, 5183, 11431, 11753, 36281, 37559, 38617, 119209, 262913, 270319, 834463, 2741807, 19192649]

約数ペア:

[(1, 19192649), (7, 2741807), (23, 834463), (71, 270319), (73, 262913), (161, 119209), (497, 38617), (511, 37559), (529, 36281), (1633, 11753), (1679, 11431), (3703, 5183)]