19621563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5653}}^1$

素因数の和:5758

約数の個数: 16

約数和(自身を含む): 28496160

約数和(自身を除く): 8874597

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 5653, 16959, 73489, 220467, 503117, 1509351, 6540521, 19621563]

約数ペア:

[(1, 19621563), (3, 6540521), (13, 1509351), (39, 503117), (89, 220467), (267, 73489), (1157, 16959), (3471, 5653)]