18680452004

素因数分解:

$2^2\times {\mathrm{1489}}^1\times {\mathrm{3136409}}^1$

素因数の和:3137902

約数の個数: 12

約数和(自身を含む): 32712756300

約数和(自身を除く): 14032304296

約数列:

[1, 2, 4, 1489, 2978, 5956, 3136409, 6272818, 12545636, 4670113001, 9340226002, 18680452004]

約数ペア:

[(1, 18680452004), (2, 9340226002), (4, 4670113001), (1489, 12545636), (2978, 6272818), (5956, 3136409)]