19876005

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5591}}^1$

素因数の和:5681

約数の個数: 24

約数和(自身を含む): 34894080

約数和(自身を除く): 15018075

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5591, 16773, 27955, 50319, 83865, 251595, 441689, 1325067, 2208445, 3975201, 6625335, 19876005]

約数ペア:

[(1, 19876005), (3, 6625335), (5, 3975201), (9, 2208445), (15, 1325067), (45, 441689), (79, 251595), (237, 83865), (395, 50319), (711, 27955), (1185, 16773), (3555, 5591)]