19568144

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12109}}^1$

素因数の和:12218

約数の個数: 20

約数和(自身を含む): 38291820

約数和(自身を除く): 18723676

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12109, 24218, 48436, 96872, 193744, 1223009, 2446018, 4892036, 9784072, 19568144]

約数ペア:

[(1, 19568144), (2, 9784072), (4, 4892036), (8, 2446018), (16, 1223009), (101, 193744), (202, 96872), (404, 48436), (808, 24218), (1616, 12109)]