18949713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8641}}^1$

素因数の和:8704

約数の個数: 16

約数和(自身を含む): 27377856

約数和(自身を除く): 8428143

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 8641, 25923, 146897, 371563, 440691, 1114689, 6316571, 18949713]

約数ペア:

[(1, 18949713), (3, 6316571), (17, 1114689), (43, 440691), (51, 371563), (129, 146897), (731, 25923), (2193, 8641)]