18134879

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 21937152

約数和(自身を除く): 3802273

約数列:

[1, 7, 23, 73, 161, 511, 1543, 1679, 10801, 11753, 35489, 112639, 248423, 788473, 2590697, 18134879]

約数ペア:

[(1, 18134879), (7, 2590697), (23, 788473), (73, 248423), (161, 112639), (511, 35489), (1543, 11753), (1679, 10801)]