18636968

素因数分解:

$2^3\times 7^1\times {\mathrm{332803}}^1$

素因数の和:332816

約数の個数: 16

約数和(自身を含む): 39936480

約数和(自身を除く): 21299512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 332803, 665606, 1331212, 2329621, 2662424, 4659242, 9318484, 18636968]

約数ペア:

[(1, 18636968), (2, 9318484), (4, 4659242), (7, 2662424), (8, 2329621), (14, 1331212), (28, 665606), (56, 332803)]