19163438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72043}}^1$

素因数の和:72071

約数の個数: 16

約数和(自身を含む): 34581120

約数和(自身を除く): 15417682

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72043, 144086, 504301, 1008602, 1368817, 2737634, 9581719, 19163438]

約数ペア:

[(1, 19163438), (2, 9581719), (7, 2737634), (14, 1368817), (19, 1008602), (38, 504301), (133, 144086), (266, 72043)]