19147869

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12589}}^1$

素因数の和:12621

約数の個数: 18

約数和(自身を含む): 29951610

約数和(自身を除く): 10803741

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12589, 37767, 113301, 163657, 490971, 1472913, 2127541, 6382623, 19147869]

約数ペア:

[(1, 19147869), (3, 6382623), (9, 2127541), (13, 1472913), (39, 490971), (117, 163657), (169, 113301), (507, 37767), (1521, 12589)]