2019889431

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{311279}}^1$

素因数の和:311395

約数の個数: 24

約数和(自身を含む): 3366804480

約数和(自身を除く): 1346915049

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 311279, 933837, 2178953, 2801511, 6536859, 19610577, 32061737, 96185211, 224432159, 288555633, 673296477, 2019889431]

約数ペア:

[(1, 2019889431), (3, 673296477), (7, 288555633), (9, 224432159), (21, 96185211), (63, 32061737), (103, 19610577), (309, 6536859), (721, 2801511), (927, 2178953), (2163, 933837), (6489, 311279)]