19796215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2179}}^1$

素因数の和:2286

約数の個数: 16

約数和(自身を含む): 25113600

約数和(自身を除く): 5317385

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2179, 9085, 10895, 50117, 172141, 250585, 860705, 3959243, 19796215]

約数ペア:

[(1, 19796215), (5, 3959243), (23, 860705), (79, 250585), (115, 172141), (395, 50117), (1817, 10895), (2179, 9085)]