18615818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16651}}^1$

素因数の和:16709

約数の個数: 16

約数和(自身を含む): 30772896

約数和(自身を除く): 12157078

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 16651, 33302, 216463, 432926, 715993, 1431986, 9307909, 18615818]

約数ペア:

[(1, 18615818), (2, 9307909), (13, 1431986), (26, 715993), (43, 432926), (86, 216463), (559, 33302), (1118, 16651)]