19716130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40237}}^1$

素因数の和:40258

約数の個数: 24

約数和(自身を含む): 41284188

約数和(自身を除く): 21568058

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40237, 80474, 201185, 281659, 402370, 563318, 1408295, 1971613, 2816590, 3943226, 9858065, 19716130]

約数ペア:

[(1, 19716130), (2, 9858065), (5, 3943226), (7, 2816590), (10, 1971613), (14, 1408295), (35, 563318), (49, 402370), (70, 281659), (98, 201185), (245, 80474), (490, 40237)]