19937368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3191}}^1$

素因数の和:3279

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 21430952

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3191, 6248, 6382, 12764, 25528, 35101, 70202, 140404, 226561, 280808, 453122, 906244, 1812488, 2492171, 4984342, 9968684, 19937368]

約数ペア:

[(1, 19937368), (2, 9968684), (4, 4984342), (8, 2492171), (11, 1812488), (22, 906244), (44, 453122), (71, 280808), (88, 226561), (142, 140404), (284, 70202), (568, 35101), (781, 25528), (1562, 12764), (3124, 6382), (3191, 6248)]