19679283

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 32707584

約数和(自身を除く): 13028301

約数列:

[1, 3, 9, 13, 23, 39, 69, 71, 103, 117, 207, 213, 299, 309, 639, 897, 923, 927, 1339, 1633, 2369, 2691, 2769, 4017, 4899, 7107, 7313, 8307, 12051, 14697, 21229, 21321, 21939, 30797, 63687, 65817, 92391, 95069, 168199, 191061, 277173, 285207, 504597, 855621, 1513791, 2186587, 6559761, 19679283]

約数ペア:

[(1, 19679283), (3, 6559761), (9, 2186587), (13, 1513791), (23, 855621), (39, 504597), (69, 285207), (71, 277173), (103, 191061), (117, 168199), (207, 95069), (213, 92391), (299, 65817), (309, 63687), (639, 30797), (897, 21939), (923, 21321), (927, 21229), (1339, 14697), (1633, 12051), (2369, 8307), (2691, 7313), (2769, 7107), (4017, 4899)]