18747208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 36993600

約数和(自身を除く): 18246392

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 556, 733, 1112, 1466, 2932, 3197, 5864, 6394, 12788, 16859, 25576, 33718, 67436, 101887, 134872, 203774, 407548, 815096, 2343401, 4686802, 9373604, 18747208]

約数ペア:

[(1, 18747208), (2, 9373604), (4, 4686802), (8, 2343401), (23, 815096), (46, 407548), (92, 203774), (139, 134872), (184, 101887), (278, 67436), (556, 33718), (733, 25576), (1112, 16859), (1466, 12788), (2932, 6394), (3197, 5864)]