18111674

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 33981120

約数和(自身を除く): 15869446

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 137, 142, 266, 274, 497, 931, 959, 994, 1349, 1862, 1918, 2603, 2698, 3479, 5206, 6713, 6958, 9443, 9727, 13426, 18221, 18886, 19454, 36442, 66101, 68089, 127547, 132202, 136178, 184813, 255094, 369626, 476623, 953246, 1293691, 2587382, 9055837, 18111674]

約数ペア:

[(1, 18111674), (2, 9055837), (7, 2587382), (14, 1293691), (19, 953246), (38, 476623), (49, 369626), (71, 255094), (98, 184813), (133, 136178), (137, 132202), (142, 127547), (266, 68089), (274, 66101), (497, 36442), (931, 19454), (959, 18886), (994, 18221), (1349, 13426), (1862, 9727), (1918, 9443), (2603, 6958), (2698, 6713), (3479, 5206)]