18881269

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 22052160

約数和(自身を除く): 3170891

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1481, 12749, 16291, 28139, 90341, 309529, 993751, 1716479, 18881269]

約数ペア:

[(1, 18881269), (11, 1716479), (19, 993751), (61, 309529), (209, 90341), (671, 28139), (1159, 16291), (1481, 12749)]