19309444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 23462012

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 883, 994, 1562, 1766, 1988, 3124, 3532, 5467, 6181, 9713, 10934, 12362, 19426, 21868, 24724, 38852, 62693, 67991, 125386, 135982, 250772, 271964, 438851, 689623, 877702, 1379246, 1755404, 2758492, 4827361, 9654722, 19309444]

約数ペア:

[(1, 19309444), (2, 9654722), (4, 4827361), (7, 2758492), (11, 1755404), (14, 1379246), (22, 877702), (28, 689623), (44, 438851), (71, 271964), (77, 250772), (142, 135982), (154, 125386), (284, 67991), (308, 62693), (497, 38852), (781, 24724), (883, 21868), (994, 19426), (1562, 12362), (1766, 10934), (1988, 9713), (3124, 6181), (3532, 5467)]