18680724

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32686956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 881, 1116, 1178, 1762, 1767, 2356, 2643, 3524, 3534, 5286, 5301, 7068, 7929, 10572, 10602, 15858, 16739, 21204, 27311, 31716, 33478, 50217, 54622, 66956, 81933, 100434, 109244, 150651, 163866, 200868, 245799, 301302, 327732, 491598, 518909, 602604, 983196, 1037818, 1556727, 2075636, 3113454, 4670181, 6226908, 9340362, 18680724]

約数ペア:

[(1, 18680724), (2, 9340362), (3, 6226908), (4, 4670181), (6, 3113454), (9, 2075636), (12, 1556727), (18, 1037818), (19, 983196), (31, 602604), (36, 518909), (38, 491598), (57, 327732), (62, 301302), (76, 245799), (93, 200868), (114, 163866), (124, 150651), (171, 109244), (186, 100434), (228, 81933), (279, 66956), (342, 54622), (372, 50217), (558, 33478), (589, 31716), (684, 27311), (881, 21204), (1116, 16739), (1178, 15858), (1762, 10602), (1767, 10572), (2356, 7929), (2643, 7068), (3524, 5301), (3534, 5286)]