18885335

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4057}}^1$

素因数の和:4095

約数の個数: 24

約数和(自身を含む): 27756720

約数和(自身を除く): 8871385

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4057, 4655, 20285, 28399, 77083, 141995, 198793, 385415, 539581, 993965, 2697905, 3777067, 18885335]

約数ペア:

[(1, 18885335), (5, 3777067), (7, 2697905), (19, 993965), (35, 539581), (49, 385415), (95, 198793), (133, 141995), (245, 77083), (665, 28399), (931, 20285), (4057, 4655)]