18721792216

素因数分解:

$2^3\times {\mathrm{937}}^1\times {\mathrm{2497571}}^1$

素因数の和:2498514

約数の個数: 16

約数和(自身を含む): 35140838040

約数和(自身を除く): 16419045824

約数列:

[1, 2, 4, 8, 937, 1874, 3748, 7496, 2497571, 4995142, 9990284, 19980568, 2340224027, 4680448054, 9360896108, 18721792216]

約数ペア:

[(1, 18721792216), (2, 9360896108), (4, 4680448054), (8, 2340224027), (937, 19980568), (1874, 9990284), (3748, 4995142), (7496, 2497571)]