18756017

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1201}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 22616832

約数和(自身を除く): 3860815

約数列:

[1, 7, 23, 97, 161, 679, 1201, 2231, 8407, 15617, 27623, 116497, 193361, 815479, 2679431, 18756017]

約数ペア:

[(1, 18756017), (7, 2679431), (23, 815479), (97, 193361), (161, 116497), (679, 27623), (1201, 15617), (2231, 8407)]