19052509

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 3250211

約数列:

[1, 7, 79, 131, 263, 553, 917, 1841, 10349, 20777, 34453, 72443, 145439, 241171, 2721787, 19052509]

約数ペア:

[(1, 19052509), (7, 2721787), (79, 241171), (131, 145439), (263, 72443), (553, 34453), (917, 20777), (1841, 10349)]