19178638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1171}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 30378240

約数和(自身を除く): 11199602

約数列:

[1, 2, 19, 38, 431, 862, 1171, 2342, 8189, 16378, 22249, 44498, 504701, 1009402, 9589319, 19178638]

約数ペア:

[(1, 19178638), (2, 9589319), (19, 1009402), (38, 504701), (431, 44498), (862, 22249), (1171, 16378), (2342, 8189)]