18415418

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 32934144

約数和(自身を除く): 14518726

約数列:

[1, 2, 7, 14, 37, 73, 74, 146, 259, 487, 511, 518, 974, 1022, 2701, 3409, 5402, 6818, 18019, 18907, 35551, 36038, 37814, 71102, 126133, 248857, 252266, 497714, 1315387, 2630774, 9207709, 18415418]

約数ペア:

[(1, 18415418), (2, 9207709), (7, 2630774), (14, 1315387), (37, 497714), (73, 252266), (74, 248857), (146, 126133), (259, 71102), (487, 37814), (511, 36038), (518, 35551), (974, 18907), (1022, 18019), (2701, 6818), (3409, 5402)]