19319919

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 26314368

約数和(自身を除く): 6994449

約数列:

[1, 3, 67, 201, 277, 347, 831, 1041, 18559, 23249, 55677, 69747, 96119, 288357, 6439973, 19319919]

約数ペア:

[(1, 19319919), (3, 6439973), (67, 288357), (201, 96119), (277, 69747), (347, 55677), (831, 23249), (1041, 18559)]