18728756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{937}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 34668480

約数和(自身を除く): 15939724

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 937, 1052, 1874, 3748, 4997, 9994, 17803, 19988, 35606, 71212, 246431, 492862, 985724, 4682189, 9364378, 18728756]

約数ペア:

[(1, 18728756), (2, 9364378), (4, 4682189), (19, 985724), (38, 492862), (76, 246431), (263, 71212), (526, 35606), (937, 19988), (1052, 17803), (1874, 9994), (3748, 4997)]