19667555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5381}}^1$

素因数の和:5446

約数の個数: 16

約数和(自身を含む): 25575264

約数和(自身を除く): 5907709

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5381, 26905, 91477, 231383, 457385, 1156915, 3933511, 19667555]

約数ペア:

[(1, 19667555), (5, 3933511), (17, 1156915), (43, 457385), (85, 231383), (215, 91477), (731, 26905), (3655, 5381)]