19728872

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60149}}^1$

素因数の和:60196

約数の個数: 16

約数和(自身を含む): 37894500

約数和(自身を除く): 18165628

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60149, 120298, 240596, 481192, 2466109, 4932218, 9864436, 19728872]

約数ペア:

[(1, 19728872), (2, 9864436), (4, 4932218), (8, 2466109), (41, 481192), (82, 240596), (164, 120298), (328, 60149)]