19766195

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 24245760

約数和(自身を除く): 4479565

約数列:

[1, 5, 79, 163, 307, 395, 815, 1535, 12877, 24253, 50041, 64385, 121265, 250205, 3953239, 19766195]

約数ペア:

[(1, 19766195), (5, 3953239), (79, 250205), (163, 121265), (307, 64385), (395, 50041), (815, 24253), (1535, 12877)]