19075144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 40494960

約数和(自身を除く): 21419816

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 71, 86, 88, 142, 172, 284, 344, 473, 568, 781, 946, 1562, 1892, 3053, 3124, 3784, 5041, 6106, 6248, 10082, 12212, 20164, 24424, 33583, 40328, 55451, 67166, 110902, 134332, 216763, 221804, 268664, 433526, 443608, 867052, 1734104, 2384393, 4768786, 9537572, 19075144]

約数ペア:

[(1, 19075144), (2, 9537572), (4, 4768786), (8, 2384393), (11, 1734104), (22, 867052), (43, 443608), (44, 433526), (71, 268664), (86, 221804), (88, 216763), (142, 134332), (172, 110902), (284, 67166), (344, 55451), (473, 40328), (568, 33583), (781, 24424), (946, 20164), (1562, 12212), (1892, 10082), (3053, 6248), (3124, 6106), (3784, 5041)]