19865573

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1097}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 24595200

約数和(自身を除く): 4729627

約数列:

[1, 7, 13, 91, 199, 1097, 1393, 2587, 7679, 14261, 18109, 99827, 218303, 1528121, 2837939, 19865573]

約数ペア:

[(1, 19865573), (7, 2837939), (13, 1528121), (91, 218303), (199, 99827), (1097, 18109), (1393, 14261), (2587, 7679)]