31153072

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{17863}}^1$

素因数の和:17980

約数の個数: 20

約数和(自身を含む): 60916240

約数和(自身を除く): 29763168

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 17863, 35726, 71452, 142904, 285808, 1947067, 3894134, 7788268, 15576536, 31153072]

約数ペア:

[(1, 31153072), (2, 15576536), (4, 7788268), (8, 3894134), (16, 1947067), (109, 285808), (218, 142904), (436, 71452), (872, 35726), (1744, 17863)]