19600581

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 35997696

約数和(自身を除く): 16397115

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 61, 77, 91, 107, 143, 183, 231, 273, 321, 427, 429, 671, 749, 793, 1001, 1177, 1281, 1391, 2013, 2247, 2379, 3003, 3531, 4173, 4697, 5551, 6527, 8239, 8723, 9737, 14091, 15301, 16653, 19581, 24717, 26169, 29211, 45689, 45903, 61061, 71797, 84851, 107107, 137067, 183183, 215391, 254553, 321321, 502579, 593957, 933361, 1507737, 1781871, 2800083, 6533527, 19600581]

約数ペア:

[(1, 19600581), (3, 6533527), (7, 2800083), (11, 1781871), (13, 1507737), (21, 933361), (33, 593957), (39, 502579), (61, 321321), (77, 254553), (91, 215391), (107, 183183), (143, 137067), (183, 107107), (231, 84851), (273, 71797), (321, 61061), (427, 45903), (429, 45689), (671, 29211), (749, 26169), (793, 24717), (1001, 19581), (1177, 16653), (1281, 15301), (1391, 14091), (2013, 9737), (2247, 8723), (2379, 8239), (3003, 6527), (3531, 5551), (4173, 4697)]