19391385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 14235495

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 277, 359, 831, 1077, 1385, 1795, 3601, 4155, 4667, 5385, 10803, 14001, 18005, 23335, 54015, 70005, 99443, 298329, 497215, 1292759, 1491645, 3878277, 6463795, 19391385]

約数ペア:

[(1, 19391385), (3, 6463795), (5, 3878277), (13, 1491645), (15, 1292759), (39, 497215), (65, 298329), (195, 99443), (277, 70005), (359, 54015), (831, 23335), (1077, 18005), (1385, 14001), (1795, 10803), (3601, 5385), (4155, 4667)]