19268619

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 26498304

約数和(自身を除く): 7229685

約数列:

[1, 3, 61, 71, 183, 213, 1483, 4331, 4449, 12993, 90463, 105293, 271389, 315879, 6422873, 19268619]

約数ペア:

[(1, 19268619), (3, 6422873), (61, 315879), (71, 271389), (183, 105293), (213, 90463), (1483, 12993), (4331, 4449)]