19741266

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 27260334

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 271, 342, 426, 513, 542, 639, 813, 1026, 1278, 1349, 1626, 1917, 2439, 2698, 3834, 4047, 4878, 5149, 7317, 8094, 10298, 12141, 14634, 15447, 19241, 24282, 30894, 36423, 38482, 46341, 57723, 72846, 92682, 115446, 139023, 173169, 278046, 346338, 365579, 519507, 731158, 1039014, 1096737, 2193474, 3290211, 6580422, 9870633, 19741266]

約数ペア:

[(1, 19741266), (2, 9870633), (3, 6580422), (6, 3290211), (9, 2193474), (18, 1096737), (19, 1039014), (27, 731158), (38, 519507), (54, 365579), (57, 346338), (71, 278046), (114, 173169), (142, 139023), (171, 115446), (213, 92682), (271, 72846), (342, 57723), (426, 46341), (513, 38482), (542, 36423), (639, 30894), (813, 24282), (1026, 19241), (1278, 15447), (1349, 14634), (1626, 12141), (1917, 10298), (2439, 8094), (2698, 7317), (3834, 5149), (4047, 4878)]