19863701

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8171}}^1$

素因数の和:8212

約数の個数: 16

約数和(自身を含む): 24712128

約数和(自身を除く): 4848427

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8171, 89881, 106223, 138907, 1168453, 1527977, 1805791, 19863701]

約数ペア:

[(1, 19863701), (11, 1805791), (13, 1527977), (17, 1168453), (143, 138907), (187, 106223), (221, 89881), (2431, 8171)]