19778367

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40949}}^1$

素因数の和:40982

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 11671233

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 40949, 122847, 286643, 859929, 941827, 2825481, 6592789, 19778367]

約数ペア:

[(1, 19778367), (3, 6592789), (7, 2825481), (21, 941827), (23, 859929), (69, 286643), (161, 122847), (483, 40949)]