18879014

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 17663002

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 83, 98, 154, 166, 211, 422, 539, 581, 913, 1078, 1162, 1477, 1826, 2321, 2954, 4067, 4642, 6391, 8134, 10339, 12782, 16247, 17513, 20678, 32494, 35026, 44737, 89474, 113729, 122591, 192643, 227458, 245182, 385286, 858137, 1348501, 1716274, 2697002, 9439507, 18879014]

約数ペア:

[(1, 18879014), (2, 9439507), (7, 2697002), (11, 1716274), (14, 1348501), (22, 858137), (49, 385286), (77, 245182), (83, 227458), (98, 192643), (154, 122591), (166, 113729), (211, 89474), (422, 44737), (539, 35026), (581, 32494), (913, 20678), (1078, 17513), (1162, 16247), (1477, 12782), (1826, 10339), (2321, 8134), (2954, 6391), (4067, 4642)]