19814753

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{5351}}^1$

素因数の和:5404

約数の個数: 12

約数和(自身を含む): 23677248

約数和(自身を除く): 3862495

約数列:

[1, 7, 23, 161, 529, 3703, 5351, 37457, 123073, 861511, 2830679, 19814753]

約数ペア:

[(1, 19814753), (7, 2830679), (23, 861511), (161, 123073), (529, 37457), (3703, 5351)]