18854038

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31319}}^1$

素因数の和:31371

約数の個数: 16

約数和(自身を含む): 33073920

約数和(自身を除く): 14219882

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 31319, 62638, 219233, 438466, 1346717, 2693434, 9427019, 18854038]

約数ペア:

[(1, 18854038), (2, 9427019), (7, 2693434), (14, 1346717), (43, 438466), (86, 219233), (301, 62638), (602, 31319)]