18963007

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8387}}^1$

素因数の和:8430

約数の個数: 16

約数和(自身を含む): 24157440

約数和(自身を除く): 5194433

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 8387, 58709, 142579, 159353, 998053, 1115471, 2709001, 18963007]

約数ペア:

[(1, 18963007), (7, 2709001), (17, 1115471), (19, 998053), (119, 159353), (133, 142579), (323, 58709), (2261, 8387)]