19878656

素因数分解:

$2^8\times 7^1\times {\mathrm{11093}}^1$

素因数の和:11116

約数の個数: 36

約数和(自身を含む): 45352272

約数和(自身を除く): 25473616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11093, 22186, 44372, 77651, 88744, 155302, 177488, 310604, 354976, 621208, 709952, 1242416, 1419904, 2484832, 2839808, 4969664, 9939328, 19878656]

約数ペア:

[(1, 19878656), (2, 9939328), (4, 4969664), (7, 2839808), (8, 2484832), (14, 1419904), (16, 1242416), (28, 709952), (32, 621208), (56, 354976), (64, 310604), (112, 177488), (128, 155302), (224, 88744), (256, 77651), (448, 44372), (896, 22186), (1792, 11093)]