19209784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9491}}^1$

素因数の和:9531

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 21795656

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 9491, 18982, 37964, 75928, 104401, 208802, 218293, 417604, 436586, 835208, 873172, 1746344, 2401223, 4802446, 9604892, 19209784]

約数ペア:

[(1, 19209784), (2, 9604892), (4, 4802446), (8, 2401223), (11, 1746344), (22, 873172), (23, 835208), (44, 436586), (46, 417604), (88, 218293), (92, 208802), (184, 104401), (253, 75928), (506, 37964), (1012, 18982), (2024, 9491)]