19853081

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 21859200

約数和(自身を除く): 2006119

約数列:

[1, 19, 29, 137, 263, 551, 2603, 3973, 4997, 7627, 36031, 75487, 144913, 684589, 1044899, 19853081]

約数ペア:

[(1, 19853081), (19, 1044899), (29, 684589), (137, 144913), (263, 75487), (551, 36031), (2603, 7627), (3973, 4997)]