19467860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10937}}^1$

素因数の和:11035

約数の個数: 24

約数和(自身を含む): 41345640

約数和(自身を除く): 21877780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10937, 21874, 43748, 54685, 109370, 218740, 973393, 1946786, 3893572, 4866965, 9733930, 19467860]

約数ペア:

[(1, 19467860), (2, 9733930), (4, 4866965), (5, 3893572), (10, 1946786), (20, 973393), (89, 218740), (178, 109370), (356, 54685), (445, 43748), (890, 21874), (1780, 10937)]