19401531

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 26588160

約数和(自身を除く): 7186629

約数列:

[1, 3, 71, 79, 213, 237, 1153, 3459, 5609, 16827, 81863, 91087, 245589, 273261, 6467177, 19401531]

約数ペア:

[(1, 19401531), (3, 6467177), (71, 273261), (79, 245589), (213, 91087), (237, 81863), (1153, 16827), (3459, 5609)]