18280490

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2843}}^1$

素因数の和:3493

約数の個数: 16

約数和(自身を含む): 32967648

約数和(自身を除く): 14687158

約数列:

[1, 2, 5, 10, 643, 1286, 2843, 3215, 5686, 6430, 14215, 28430, 1828049, 3656098, 9140245, 18280490]

約数ペア:

[(1, 18280490), (2, 9140245), (5, 3656098), (10, 1828049), (643, 28430), (1286, 14215), (2843, 6430), (3215, 5686)]