19977227

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 22487040

約数和(自身を除く): 2509813

約数列:

[1, 17, 19, 127, 323, 487, 2159, 2413, 8279, 9253, 41021, 61849, 157301, 1051433, 1175131, 19977227]

約数ペア:

[(1, 19977227), (17, 1175131), (19, 1051433), (127, 157301), (323, 61849), (487, 41021), (2159, 9253), (2413, 8279)]