18704516

素因数分解:

$2^2\times {\mathrm{499}}^1\times {\mathrm{9371}}^1$

素因数の和:9874

約数の個数: 12

約数和(自身を含む): 32802000

約数和(自身を除く): 14097484

約数列:

[1, 2, 4, 499, 998, 1996, 9371, 18742, 37484, 4676129, 9352258, 18704516]

約数ペア:

[(1, 18704516), (2, 9352258), (4, 4676129), (499, 37484), (998, 18742), (1996, 9371)]