12808660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 29111040

約数和(自身を除く): 16302380

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 911, 1406, 1822, 2812, 3515, 3644, 4555, 7030, 9110, 14060, 17309, 18220, 33707, 34618, 67414, 69236, 86545, 134828, 168535, 173090, 337070, 346180, 640433, 674140, 1280866, 2561732, 3202165, 6404330, 12808660]

約数ペア:

[(1, 12808660), (2, 6404330), (4, 3202165), (5, 2561732), (10, 1280866), (19, 674140), (20, 640433), (37, 346180), (38, 337070), (74, 173090), (76, 168535), (95, 134828), (148, 86545), (185, 69236), (190, 67414), (370, 34618), (380, 33707), (703, 18220), (740, 17309), (911, 14060), (1406, 9110), (1822, 7030), (2812, 4555), (3515, 3644)]