19692991

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 21461184

約数和(自身を除く): 1768193

約数列:

[1, 23, 37, 73, 317, 851, 1679, 2701, 7291, 11729, 23141, 62123, 269767, 532243, 856217, 19692991]

約数ペア:

[(1, 19692991), (23, 856217), (37, 532243), (73, 269767), (317, 62123), (851, 23141), (1679, 11729), (2701, 7291)]