19554508

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4943}}^1$

素因数の和:5013

約数の個数: 24

約数和(自身を含む): 36546048

約数和(自身を除く): 16991540

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 4943, 9886, 19772, 113689, 212549, 227378, 425098, 454756, 850196, 4888627, 9777254, 19554508]

約数ペア:

[(1, 19554508), (2, 9777254), (4, 4888627), (23, 850196), (43, 454756), (46, 425098), (86, 227378), (92, 212549), (172, 113689), (989, 19772), (1978, 9886), (3956, 4943)]