18073497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 9021543

約数列:

[1, 3, 13, 39, 41, 89, 123, 127, 267, 381, 533, 1157, 1599, 1651, 3471, 3649, 4953, 5207, 10947, 11303, 15621, 33909, 47437, 67691, 142311, 146939, 203073, 440817, 463423, 1390269, 6024499, 18073497]

約数ペア:

[(1, 18073497), (3, 6024499), (13, 1390269), (39, 463423), (41, 440817), (89, 203073), (123, 146939), (127, 142311), (267, 67691), (381, 47437), (533, 33909), (1157, 15621), (1599, 11303), (1651, 10947), (3471, 5207), (3649, 4953)]