19758016

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2221}}^1$

素因数の和:2372

約数の個数: 28

約数和(自身を含む): 39507160

約数和(自身を除く): 19749144

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2221, 2224, 4442, 4448, 8884, 8896, 17768, 35536, 71072, 142144, 308719, 617438, 1234876, 2469752, 4939504, 9879008, 19758016]

約数ペア:

[(1, 19758016), (2, 9879008), (4, 4939504), (8, 2469752), (16, 1234876), (32, 617438), (64, 308719), (139, 142144), (278, 71072), (556, 35536), (1112, 17768), (2221, 8896), (2224, 8884), (4442, 4448)]