12181345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{919}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 16030080

約数和(自身を除く): 3848735

約数列:

[1, 5, 11, 55, 241, 919, 1205, 2651, 4595, 10109, 13255, 50545, 221479, 1107395, 2436269, 12181345]

約数ペア:

[(1, 12181345), (5, 2436269), (11, 1107395), (55, 221479), (241, 50545), (919, 13255), (1205, 10109), (2651, 4595)]