18007472

素因数分解:

$2^4\times 7^1\times {\mathrm{160781}}^1$

素因数の和:160796

約数の個数: 20

約数和(自身を含む): 39873936

約数和(自身を除く): 21866464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 160781, 321562, 643124, 1125467, 1286248, 2250934, 2572496, 4501868, 9003736, 18007472]

約数ペア:

[(1, 18007472), (2, 9003736), (4, 4501868), (7, 2572496), (8, 2250934), (14, 1286248), (16, 1125467), (28, 643124), (56, 321562), (112, 160781)]