18871328

素因数分解:

$2^5\times 7^1\times {\mathrm{84247}}^1$

素因数の和:84264

約数の個数: 24

約数和(自身を含む): 42460992

約数和(自身を除く): 23589664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 84247, 168494, 336988, 589729, 673976, 1179458, 1347952, 2358916, 2695904, 4717832, 9435664, 18871328]

約数ペア:

[(1, 18871328), (2, 9435664), (4, 4717832), (7, 2695904), (8, 2358916), (14, 1347952), (16, 1179458), (28, 673976), (32, 589729), (56, 336988), (112, 168494), (224, 84247)]