19958902857

素因数分解:

$3^2\times {\mathrm{2287}}^1\times {\mathrm{969679}}^1$

素因数の和:971972

約数の個数: 12

約数和(自身を含む): 28842161920

約数和(自身を除く): 8883259063

約数列:

[1, 3, 9, 2287, 6861, 20583, 969679, 2909037, 8727111, 2217655873, 6652967619, 19958902857]

約数ペア:

[(1, 19958902857), (3, 6652967619), (9, 2217655873), (2287, 8727111), (6861, 2909037), (20583, 969679)]