19925727

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1861}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 27527808

約数和(自身を除く): 7602081

約数列:

[1, 3, 43, 83, 129, 249, 1861, 3569, 5583, 10707, 80023, 154463, 240069, 463389, 6641909, 19925727]

約数ペア:

[(1, 19925727), (3, 6641909), (43, 463389), (83, 240069), (129, 154463), (249, 80023), (1861, 10707), (3569, 5583)]