18205147

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 20060352

約数和(自身を除く): 1855205

約数列:

[1, 17, 37, 103, 281, 629, 1751, 3811, 4777, 10397, 28943, 64787, 176749, 492031, 1070891, 18205147]

約数ペア:

[(1, 18205147), (17, 1070891), (37, 492031), (103, 176749), (281, 64787), (629, 28943), (1751, 10397), (3811, 4777)]