18080554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 11857046

約数列:

[1, 2, 17, 34, 43, 83, 86, 149, 166, 298, 731, 1411, 1462, 2533, 2822, 3569, 5066, 6407, 7138, 12367, 12814, 24734, 60673, 108919, 121346, 210239, 217838, 420478, 531781, 1063562, 9040277, 18080554]

約数ペア:

[(1, 18080554), (2, 9040277), (17, 1063562), (34, 531781), (43, 420478), (83, 217838), (86, 210239), (149, 121346), (166, 108919), (298, 60673), (731, 24734), (1411, 12814), (1462, 12367), (2533, 7138), (2822, 6407), (3569, 5066)]