19408508

素因数分解:

$2^2\times 7^2\times {\mathrm{99023}}^1$

素因数の和:99041

約数の個数: 18

約数和(自身を含む): 39510576

約数和(自身を除く): 20102068

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 99023, 198046, 396092, 693161, 1386322, 2772644, 4852127, 9704254, 19408508]

約数ペア:

[(1, 19408508), (2, 9704254), (4, 4852127), (7, 2772644), (14, 1386322), (28, 693161), (49, 396092), (98, 198046), (196, 99023)]