19285007

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 22923264

約数和(自身を除く): 3638257

約数列:

[1, 7, 31, 181, 217, 491, 1267, 3437, 5611, 15221, 39277, 88871, 106547, 622097, 2755001, 19285007]

約数ペア:

[(1, 19285007), (7, 2755001), (31, 622097), (181, 106547), (217, 88871), (491, 39277), (1267, 15221), (3437, 5611)]