19879528048

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6437671}}^1$

素因数の和:6437872

約数の個数: 20

約数和(自身を含む): 38716159408

約数和(自身を除く): 18836631360

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6437671, 12875342, 25750684, 51501368, 103002736, 1242470503, 2484941006, 4969882012, 9939764024, 19879528048]

約数ペア:

[(1, 19879528048), (2, 9939764024), (4, 4969882012), (8, 2484941006), (16, 1242470503), (193, 103002736), (386, 51501368), (772, 25750684), (1544, 12875342), (3088, 6437671)]