18694438

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28411}}^1$

素因数の和:28467

約数の個数: 16

約数和(自身を含む): 32730624

約数和(自身を除く): 14036186

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 28411, 56822, 198877, 397754, 1335317, 2670634, 9347219, 18694438]

約数ペア:

[(1, 18694438), (2, 9347219), (7, 2670634), (14, 1335317), (47, 397754), (94, 198877), (329, 56822), (658, 28411)]