19903336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3539}}^1$

素因数の和:3601

約数の個数: 32

約数和(自身を含む): 40356000

約数和(自身を除く): 20452664

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3539, 5624, 7078, 14156, 28312, 67241, 130943, 134482, 261886, 268964, 523772, 537928, 1047544, 2487917, 4975834, 9951668, 19903336]

約数ペア:

[(1, 19903336), (2, 9951668), (4, 4975834), (8, 2487917), (19, 1047544), (37, 537928), (38, 523772), (74, 268964), (76, 261886), (148, 134482), (152, 130943), (296, 67241), (703, 28312), (1406, 14156), (2812, 7078), (3539, 5624)]