20181636

素因数分解:

$2^2\times 3^8\times {\mathrm{769}}^1$

素因数の和:797

約数の個数: 54

約数和(自身を含む): 53042990

約数和(自身を除く): 32861354

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 769, 972, 1458, 1538, 2187, 2307, 2916, 3076, 4374, 4614, 6561, 6921, 8748, 9228, 13122, 13842, 20763, 26244, 27684, 41526, 62289, 83052, 124578, 186867, 249156, 373734, 560601, 747468, 1121202, 1681803, 2242404, 3363606, 5045409, 6727212, 10090818, 20181636]

約数ペア:

[(1, 20181636), (2, 10090818), (3, 6727212), (4, 5045409), (6, 3363606), (9, 2242404), (12, 1681803), (18, 1121202), (27, 747468), (36, 560601), (54, 373734), (81, 249156), (108, 186867), (162, 124578), (243, 83052), (324, 62289), (486, 41526), (729, 27684), (769, 26244), (972, 20763), (1458, 13842), (1538, 13122), (2187, 9228), (2307, 8748), (2916, 6921), (3076, 6561), (4374, 4614)]