20180196

素因数分解:

$2^2\times 3^2\times {\mathrm{560561}}^1$

素因数の和:560571

約数の個数: 18

約数和(自身を含む): 51011142

約数和(自身を除く): 30830946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560561, 1121122, 1681683, 2242244, 3363366, 5045049, 6726732, 10090098, 20180196]

約数ペア:

[(1, 20180196), (2, 10090098), (3, 6726732), (4, 5045049), (6, 3363366), (9, 2242244), (12, 1681683), (18, 1121122), (36, 560561)]