12656660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1753}}^1$

素因数の和:1800

約数の個数: 36

約数和(自身を含む): 28067508

約数和(自身を除く): 15410848

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1753, 1805, 3506, 3610, 7012, 7220, 8765, 17530, 33307, 35060, 66614, 133228, 166535, 333070, 632833, 666140, 1265666, 2531332, 3164165, 6328330, 12656660]

約数ペア:

[(1, 12656660), (2, 6328330), (4, 3164165), (5, 2531332), (10, 1265666), (19, 666140), (20, 632833), (38, 333070), (76, 166535), (95, 133228), (190, 66614), (361, 35060), (380, 33307), (722, 17530), (1444, 8765), (1753, 7220), (1805, 7012), (3506, 3610)]