19504389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 9249531

約数列:

[1, 3, 17, 47, 51, 79, 103, 141, 237, 309, 799, 1343, 1751, 2397, 3713, 4029, 4841, 5253, 8137, 11139, 14523, 24411, 63121, 82297, 138329, 189363, 246891, 382439, 414987, 1147317, 6501463, 19504389]

約数ペア:

[(1, 19504389), (3, 6501463), (17, 1147317), (47, 414987), (51, 382439), (79, 246891), (103, 189363), (141, 138329), (237, 82297), (309, 63121), (799, 24411), (1343, 14523), (1751, 11139), (2397, 8137), (3713, 5253), (4029, 4841)]