19965327

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1109}}^1$

素因数の和:1482

約数の個数: 16

約数和(自身を含む): 28291680

約数和(自身を除く): 8326353

約数列:

[1, 3, 17, 51, 353, 1059, 1109, 3327, 6001, 18003, 18853, 56559, 391477, 1174431, 6655109, 19965327]

約数ペア:

[(1, 19965327), (3, 6655109), (17, 1174431), (51, 391477), (353, 56559), (1059, 18853), (1109, 18003), (3327, 6001)]