19509656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3531

約数の個数: 32

約数和(自身を含む): 39558000

約数和(自身を除く): 20048344

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3469, 5624, 6938, 13876, 27752, 65911, 128353, 131822, 256706, 263644, 513412, 527288, 1026824, 2438707, 4877414, 9754828, 19509656]

約数ペア:

[(1, 19509656), (2, 9754828), (4, 4877414), (8, 2438707), (19, 1026824), (37, 527288), (38, 513412), (74, 263644), (76, 256706), (148, 131822), (152, 128353), (296, 65911), (703, 27752), (1406, 13876), (2812, 6938), (3469, 5624)]