18881002

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20129}}^1$

素因数の和:20205

約数の個数: 16

約数和(自身を含む): 32852160

約数和(自身を除く): 13971158

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 20129, 40258, 140903, 281806, 1348643, 2697286, 9440501, 18881002]

約数ペア:

[(1, 18881002), (2, 9440501), (7, 2697286), (14, 1348643), (67, 281806), (134, 140903), (469, 40258), (938, 20129)]