19297943

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 23370240

約数和(自身を除く): 4072297

約数列:

[1, 7, 23, 67, 161, 469, 1541, 1789, 10787, 12523, 41147, 119863, 288029, 839041, 2756849, 19297943]

約数ペア:

[(1, 19297943), (7, 2756849), (23, 839041), (67, 288029), (161, 119863), (469, 41147), (1541, 12523), (1789, 10787)]