19811211

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41017}}^1$

素因数の和:41050

約数の個数: 16

約数和(自身を含む): 31501824

約数和(自身を除く): 11690613

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41017, 123051, 287119, 861357, 943391, 2830173, 6603737, 19811211]

約数ペア:

[(1, 19811211), (3, 6603737), (7, 2830173), (21, 943391), (23, 861357), (69, 287119), (161, 123051), (483, 41017)]