19798042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8737}}^1$

素因数の和:8853

約数の個数: 16

約数和(自身を含む): 32715072

約数和(自身を除く): 12917030

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8737, 17474, 96107, 192214, 899911, 1799822, 9899021, 19798042]

約数ペア:

[(1, 19798042), (2, 9899021), (11, 1799822), (22, 899911), (103, 192214), (206, 96107), (1133, 17474), (2266, 8737)]