19867904

素因数分解:

$2^8\times 7^1\times {\mathrm{11087}}^1$

素因数の和:11110

約数の個数: 36

約数和(自身を含む): 45327744

約数和(自身を除く): 25459840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11087, 22174, 44348, 77609, 88696, 155218, 177392, 310436, 354784, 620872, 709568, 1241744, 1419136, 2483488, 2838272, 4966976, 9933952, 19867904]

約数ペア:

[(1, 19867904), (2, 9933952), (4, 4966976), (7, 2838272), (8, 2483488), (14, 1419136), (16, 1241744), (28, 709568), (32, 620872), (56, 354784), (64, 310436), (112, 177392), (128, 155218), (224, 88696), (256, 77609), (448, 44348), (896, 22174), (1792, 11087)]