18782673

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 12376623

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 643, 749, 1391, 1929, 2247, 4173, 4501, 8359, 9737, 13503, 25077, 29211, 58513, 68801, 175539, 206403, 481607, 894413, 1444821, 2683239, 6260891, 18782673]

約数ペア:

[(1, 18782673), (3, 6260891), (7, 2683239), (13, 1444821), (21, 894413), (39, 481607), (91, 206403), (107, 175539), (273, 68801), (321, 58513), (643, 29211), (749, 25077), (1391, 13503), (1929, 9737), (2247, 8359), (4173, 4501)]