19989814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5869}}^1$

素因数の和:6015

約数の個数: 16

約数和(自身を含む): 32543280

約数和(自身を除く): 12553466

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 5869, 11738, 76297, 152594, 768839, 1537678, 9994907, 19989814]

約数ペア:

[(1, 19989814), (2, 9994907), (13, 1537678), (26, 768839), (131, 152594), (262, 76297), (1703, 11738), (3406, 5869)]