18660495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4133}}^1$

素因数の和:4191

約数の個数: 32

約数和(自身を含む): 34924032

約数和(自身を除く): 16263537

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4133, 4515, 12399, 20665, 28931, 61995, 86793, 144655, 177719, 433965, 533157, 888595, 1244033, 2665785, 3732099, 6220165, 18660495]

約数ペア:

[(1, 18660495), (3, 6220165), (5, 3732099), (7, 2665785), (15, 1244033), (21, 888595), (35, 533157), (43, 433965), (105, 177719), (129, 144655), (215, 86793), (301, 61995), (645, 28931), (903, 20665), (1505, 12399), (4133, 4515)]