18703293

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4663}}^1$

素因数の和:4864

約数の個数: 16

約数和(自身を含む): 28655616

約数和(自身を除く): 9952323

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 4663, 13989, 32641, 97923, 890633, 2671899, 6234431, 18703293]

約数ペア:

[(1, 18703293), (3, 6234431), (7, 2671899), (21, 890633), (191, 97923), (573, 32641), (1337, 13989), (4011, 4663)]