138218654

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{519619}}^1$

素因数の和:519647

約数の個数: 16

約数和(自身を含む): 249417600

約数和(自身を除く): 111198946

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 519619, 1039238, 3637333, 7274666, 9872761, 19745522, 69109327, 138218654]

約数ペア:

[(1, 138218654), (2, 69109327), (7, 19745522), (14, 9872761), (19, 7274666), (38, 3637333), (133, 1039238), (266, 519619)]