19856546

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2351}}^1$

素因数の和:2497

約数の個数: 16

約数和(自身を含む): 30820608

約数和(自身を除く): 10964062

約数列:

[1, 2, 41, 82, 103, 206, 2351, 4223, 4702, 8446, 96391, 192782, 242153, 484306, 9928273, 19856546]

約数ペア:

[(1, 19856546), (2, 9928273), (41, 484306), (82, 242153), (103, 192782), (206, 96391), (2351, 8446), (4223, 4702)]