19315791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 14380209

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 69, 99, 153, 187, 207, 253, 391, 499, 561, 759, 1173, 1497, 1683, 2277, 3519, 4301, 4491, 5489, 8483, 11477, 12903, 16467, 25449, 34431, 38709, 49401, 76347, 93313, 103293, 126247, 195109, 279939, 378741, 585327, 839817, 1136223, 1755981, 2146199, 6438597, 19315791]

約数ペア:

[(1, 19315791), (3, 6438597), (9, 2146199), (11, 1755981), (17, 1136223), (23, 839817), (33, 585327), (51, 378741), (69, 279939), (99, 195109), (153, 126247), (187, 103293), (207, 93313), (253, 76347), (391, 49401), (499, 38709), (561, 34431), (759, 25449), (1173, 16467), (1497, 12903), (1683, 11477), (2277, 8483), (3519, 5489), (4301, 4491)]