18404434

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:657

約数の個数: 16

約数和(自身を含む): 28022400

約数和(自身を除く): 9617966

約数列:

[1, 2, 139, 239, 277, 278, 478, 554, 33221, 38503, 66203, 66442, 77006, 132406, 9202217, 18404434]

約数ペア:

[(1, 18404434), (2, 9202217), (139, 132406), (239, 77006), (277, 66442), (278, 66203), (478, 38503), (554, 33221)]