18642435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4129}}^1$

素因数の和:4187

約数の個数: 32

約数和(自身を含む): 34890240

約数和(自身を除く): 16247805

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4129, 4515, 12387, 20645, 28903, 61935, 86709, 144515, 177547, 433545, 532641, 887735, 1242829, 2663205, 3728487, 6214145, 18642435]

約数ペア:

[(1, 18642435), (3, 6214145), (5, 3728487), (7, 2663205), (15, 1242829), (21, 887735), (35, 532641), (43, 433545), (105, 177547), (129, 144515), (215, 86709), (301, 61935), (645, 28903), (903, 20645), (1505, 12387), (4129, 4515)]