19306640

素因数分解:

$2^4\times 5^1\times {\mathrm{241333}}^1$

素因数の和:241346

約数の個数: 20

約数和(自身を含む): 44888124

約数和(自身を除く): 25581484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241333, 482666, 965332, 1206665, 1930664, 2413330, 3861328, 4826660, 9653320, 19306640]

約数ペア:

[(1, 19306640), (2, 9653320), (4, 4826660), (5, 3861328), (8, 2413330), (10, 1930664), (16, 1206665), (20, 965332), (40, 482666), (80, 241333)]