18422740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131591}}^1$

素因数の和:131607

約数の個数: 24

約数和(自身を含む): 44214912

約数和(自身を除く): 25792172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131591, 263182, 526364, 657955, 921137, 1315910, 1842274, 2631820, 3684548, 4605685, 9211370, 18422740]

約数ペア:

[(1, 18422740), (2, 9211370), (4, 4605685), (5, 3684548), (7, 2631820), (10, 1842274), (14, 1315910), (20, 921137), (28, 657955), (35, 526364), (70, 263182), (140, 131591)]