18670870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26297}}^1$

素因数の和:26375

約数の個数: 16

約数和(自身を含む): 34082208

約数和(自身を除く): 15411338

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26297, 52594, 131485, 262970, 1867087, 3734174, 9335435, 18670870]

約数ペア:

[(1, 18670870), (2, 9335435), (5, 3734174), (10, 1867087), (71, 262970), (142, 131485), (355, 52594), (710, 26297)]