19581039

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 30476160

約数和(自身を除く): 10895121

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2663, 7353, 7989, 23967, 50597, 114509, 151791, 343527, 455373, 1030581, 2175671, 6527013, 19581039]

約数ペア:

[(1, 19581039), (3, 6527013), (9, 2175671), (19, 1030581), (43, 455373), (57, 343527), (129, 151791), (171, 114509), (387, 50597), (817, 23967), (2451, 7989), (2663, 7353)]