18889318

素因数分解:

$2^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1381}}^1$

素因数の和:2367

約数の個数: 16

約数和(自身を含む): 32438304

約数和(自身を除く): 13548986

約数列:

[1, 2, 7, 14, 977, 1381, 1954, 2762, 6839, 9667, 13678, 19334, 1349237, 2698474, 9444659, 18889318]

約数ペア:

[(1, 18889318), (2, 9444659), (7, 2698474), (14, 1349237), (977, 19334), (1381, 13678), (1954, 9667), (2762, 6839)]