11719220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13627}}^1$

素因数の和:13679

約数の個数: 24

約数和(自身を含む): 25184544

約数和(自身を除く): 13465324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 13627, 27254, 54508, 68135, 136270, 272540, 585961, 1171922, 2343844, 2929805, 5859610, 11719220]

約数ペア:

[(1, 11719220), (2, 5859610), (4, 2929805), (5, 2343844), (10, 1171922), (20, 585961), (43, 272540), (86, 136270), (172, 68135), (215, 54508), (430, 27254), (860, 13627)]