19945784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{108401}}^1$

素因数の和:108430

約数の個数: 16

約数和(自身を含む): 39024720

約数和(自身を除く): 19078936

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 108401, 216802, 433604, 867208, 2493223, 4986446, 9972892, 19945784]

約数ペア:

[(1, 19945784), (2, 9972892), (4, 4986446), (8, 2493223), (23, 867208), (46, 433604), (92, 216802), (184, 108401)]