19840898

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128837}}^1$

素因数の和:128857

約数の個数: 16

約数和(自身を含む): 37105344

約数和(自身を除く): 17264446

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128837, 257674, 901859, 1417207, 1803718, 2834414, 9920449, 19840898]

約数ペア:

[(1, 19840898), (2, 9920449), (7, 2834414), (11, 1803718), (14, 1417207), (22, 901859), (77, 257674), (154, 128837)]