19704370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40213}}^1$

素因数の和:40234

約数の個数: 24

約数和(自身を含む): 41259564

約数和(自身を除く): 21555194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40213, 80426, 201065, 281491, 402130, 562982, 1407455, 1970437, 2814910, 3940874, 9852185, 19704370]

約数ペア:

[(1, 19704370), (2, 9852185), (5, 3940874), (7, 2814910), (10, 1970437), (14, 1407455), (35, 562982), (49, 402130), (70, 281491), (98, 201065), (245, 80426), (490, 40213)]