18908743

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8363}}^1$

素因数の和:8406

約数の個数: 16

約数和(自身を含む): 24088320

約数和(自身を除く): 5179577

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 8363, 58541, 142171, 158897, 995197, 1112279, 2701249, 18908743]

約数ペア:

[(1, 18908743), (7, 2701249), (17, 1112279), (19, 995197), (119, 158897), (133, 142171), (323, 58541), (2261, 8363)]