11947212

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 32288256

約数和(自身を除く): 20341044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 307, 414, 423, 564, 614, 828, 846, 921, 1081, 1228, 1692, 1842, 2162, 2763, 3243, 3684, 4324, 5526, 6486, 7061, 9729, 11052, 12972, 14122, 14429, 19458, 21183, 28244, 28858, 38916, 42366, 43287, 57716, 63549, 84732, 86574, 127098, 129861, 173148, 254196, 259722, 331867, 519444, 663734, 995601, 1327468, 1991202, 2986803, 3982404, 5973606, 11947212]

約数ペア:

[(1, 11947212), (2, 5973606), (3, 3982404), (4, 2986803), (6, 1991202), (9, 1327468), (12, 995601), (18, 663734), (23, 519444), (36, 331867), (46, 259722), (47, 254196), (69, 173148), (92, 129861), (94, 127098), (138, 86574), (141, 84732), (188, 63549), (207, 57716), (276, 43287), (282, 42366), (307, 38916), (414, 28858), (423, 28244), (564, 21183), (614, 19458), (828, 14429), (846, 14122), (921, 12972), (1081, 11052), (1228, 9729), (1692, 7061), (1842, 6486), (2162, 5526), (2763, 4324), (3243, 3684)]