12185555

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 15892272

約数和(自身を除く): 3706717

約数列:

[1, 5, 19, 43, 95, 157, 215, 361, 785, 817, 1805, 2983, 4085, 6751, 14915, 15523, 33755, 56677, 77615, 128269, 283385, 641345, 2437111, 12185555]

約数ペア:

[(1, 12185555), (5, 2437111), (19, 641345), (43, 283385), (95, 128269), (157, 77615), (215, 56677), (361, 33755), (785, 15523), (817, 14915), (1805, 6751), (2983, 4085)]