18957589

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1613}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 22931712

約数和(自身を除く): 3974123

約数列:

[1, 7, 23, 73, 161, 511, 1613, 1679, 11291, 11753, 37099, 117749, 259693, 824243, 2708227, 18957589]

約数ペア:

[(1, 18957589), (7, 2708227), (23, 824243), (73, 259693), (161, 117749), (511, 37099), (1613, 11753), (1679, 11291)]