18889648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62137}}^1$

素因数の和:62164

約数の個数: 20

約数和(自身を含む): 38525560

約数和(自身を除く): 19635912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62137, 124274, 248548, 497096, 994192, 1180603, 2361206, 4722412, 9444824, 18889648]

約数ペア:

[(1, 18889648), (2, 9444824), (4, 4722412), (8, 2361206), (16, 1180603), (19, 994192), (38, 497096), (76, 248548), (152, 124274), (304, 62137)]