18995127

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 25857792

約数和(自身を除く): 6862665

約数列:

[1, 3, 71, 213, 257, 347, 771, 1041, 18247, 24637, 54741, 73911, 89179, 267537, 6331709, 18995127]

約数ペア:

[(1, 18995127), (3, 6331709), (71, 267537), (213, 89179), (257, 73911), (347, 54741), (771, 24637), (1041, 18247)]