19699456

素因数分解:

$2^8\times 7^1\times {\mathrm{10993}}^1$

素因数の和:11016

約数の個数: 36

約数和(自身を含む): 44943472

約数和(自身を除く): 25244016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 10993, 21986, 43972, 76951, 87944, 153902, 175888, 307804, 351776, 615608, 703552, 1231216, 1407104, 2462432, 2814208, 4924864, 9849728, 19699456]

約数ペア:

[(1, 19699456), (2, 9849728), (4, 4924864), (7, 2814208), (8, 2462432), (14, 1407104), (16, 1231216), (28, 703552), (32, 615608), (56, 351776), (64, 307804), (112, 175888), (128, 153902), (224, 87944), (256, 76951), (448, 43972), (896, 21986), (1792, 10993)]