18716530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38197}}^1$

素因数の和:38218

約数の個数: 24

約数和(自身を含む): 39191148

約数和(自身を除く): 20474618

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38197, 76394, 190985, 267379, 381970, 534758, 1336895, 1871653, 2673790, 3743306, 9358265, 18716530]

約数ペア:

[(1, 18716530), (2, 9358265), (5, 3743306), (7, 2673790), (10, 1871653), (14, 1336895), (35, 534758), (49, 381970), (70, 267379), (98, 190985), (245, 76394), (490, 38197)]