18528370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37813}}^1$

素因数の和:37834

約数の個数: 24

約数和(自身を含む): 38797164

約数和(自身を除く): 20268794

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37813, 75626, 189065, 264691, 378130, 529382, 1323455, 1852837, 2646910, 3705674, 9264185, 18528370]

約数ペア:

[(1, 18528370), (2, 9264185), (5, 3705674), (7, 2646910), (10, 1852837), (14, 1323455), (35, 529382), (49, 378130), (70, 264691), (98, 189065), (245, 75626), (490, 37813)]