19820894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{4027}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 31321728

約数和(自身を除く): 11500834

約数列:

[1, 2, 23, 46, 107, 214, 2461, 4027, 4922, 8054, 92621, 185242, 430889, 861778, 9910447, 19820894]

約数ペア:

[(1, 19820894), (2, 9910447), (23, 861778), (46, 430889), (107, 185242), (214, 92621), (2461, 8054), (4027, 4922)]