18387489

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4160

約数の個数: 16

約数和(自身を含む): 26256960

約数和(自身を除く): 7869471

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4051, 4539, 12153, 68867, 206601, 360539, 1081617, 6129163, 18387489]

約数ペア:

[(1, 18387489), (3, 6129163), (17, 1081617), (51, 360539), (89, 206601), (267, 68867), (1513, 12153), (4051, 4539)]