18828326

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 20

約数和(自身を含む): 31114860

約数和(自身を除く): 12286534

約数列:

[1, 2, 11, 22, 121, 242, 643, 1286, 1331, 2662, 7073, 14146, 14641, 29282, 77803, 155606, 855833, 1711666, 9414163, 18828326]

約数ペア:

[(1, 18828326), (2, 9414163), (11, 1711666), (22, 855833), (121, 155606), (242, 77803), (643, 29282), (1286, 14641), (1331, 14146), (2662, 7073)]