18256979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 20630400

約数和(自身を除く): 2373421

約数列:

[1, 13, 29, 79, 377, 613, 1027, 2291, 7969, 17777, 29783, 48427, 231101, 629551, 1404383, 18256979]

約数ペア:

[(1, 18256979), (13, 1404383), (29, 629551), (79, 231101), (377, 48427), (613, 29783), (1027, 17777), (2291, 7969)]