19105905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13997}}^1$

素因数の和:14025

約数の個数: 32

約数和(自身を含む): 37626624

約数和(自身を除く): 18520719

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13997, 41991, 69985, 97979, 181961, 209955, 293937, 489895, 545883, 909805, 1273727, 1469685, 2729415, 3821181, 6368635, 19105905]

約数ペア:

[(1, 19105905), (3, 6368635), (5, 3821181), (7, 2729415), (13, 1469685), (15, 1273727), (21, 909805), (35, 545883), (39, 489895), (65, 293937), (91, 209955), (105, 181961), (195, 97979), (273, 69985), (455, 41991), (1365, 13997)]