18451328

素因数分解:

$2^7\times 7^1\times {\mathrm{20593}}^1$

素因数の和:20614

約数の個数: 32

約数和(自身を含む): 42011760

約数和(自身を除く): 23560432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20593, 41186, 82372, 144151, 164744, 288302, 329488, 576604, 658976, 1153208, 1317952, 2306416, 2635904, 4612832, 9225664, 18451328]

約数ペア:

[(1, 18451328), (2, 9225664), (4, 4612832), (7, 2635904), (8, 2306416), (14, 1317952), (16, 1153208), (28, 658976), (32, 576604), (56, 329488), (64, 288302), (112, 164744), (128, 144151), (224, 82372), (448, 41186), (896, 20593)]