18627728

素因数分解:

$2^4\times 7^1\times {\mathrm{166319}}^1$

素因数の和:166334

約数の個数: 20

約数和(自身を含む): 41247360

約数和(自身を除く): 22619632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 166319, 332638, 665276, 1164233, 1330552, 2328466, 2661104, 4656932, 9313864, 18627728]

約数ペア:

[(1, 18627728), (2, 9313864), (4, 4656932), (7, 2661104), (8, 2328466), (14, 1330552), (16, 1164233), (28, 665276), (56, 332638), (112, 166319)]