19664428

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4651}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 39597824

約数和(自身を除く): 19933396

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4651, 9302, 18604, 32557, 65114, 130228, 702301, 1404602, 2809204, 4916107, 9832214, 19664428]

約数ペア:

[(1, 19664428), (2, 9832214), (4, 4916107), (7, 2809204), (14, 1404602), (28, 702301), (151, 130228), (302, 65114), (604, 32557), (1057, 18604), (2114, 9302), (4228, 4651)]