19976409

素因数分解:

$3^3\times {\mathrm{277}}^1\times {\mathrm{2671}}^1$

素因数の和:2957

約数の個数: 16

約数和(自身を含む): 29712640

約数和(自身を除く): 9736231

約数列:

[1, 3, 9, 27, 277, 831, 2493, 2671, 7479, 8013, 24039, 72117, 739867, 2219601, 6658803, 19976409]

約数ペア:

[(1, 19976409), (3, 6658803), (9, 2219601), (27, 739867), (277, 72117), (831, 24039), (2493, 8013), (2671, 7479)]