19990457268

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1\times {\mathrm{36269}}^1$

素因数の和:38296

約数の個数: 48

約数和(自身を含む): 48698133120

約数和(自身を除く): 28707675852

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 1997, 3994, 5991, 7988, 11982, 23964, 36269, 45931, 72538, 91862, 108807, 137793, 145076, 183724, 217614, 275586, 435228, 551172, 834187, 1668374, 2502561, 3336748, 5005122, 10010244, 72429193, 144858386, 217287579, 289716772, 434575158, 869150316, 1665871439, 3331742878, 4997614317, 6663485756, 9995228634, 19990457268]

約数ペア:

[(1, 19990457268), (2, 9995228634), (3, 6663485756), (4, 4997614317), (6, 3331742878), (12, 1665871439), (23, 869150316), (46, 434575158), (69, 289716772), (92, 217287579), (138, 144858386), (276, 72429193), (1997, 10010244), (3994, 5005122), (5991, 3336748), (7988, 2502561), (11982, 1668374), (23964, 834187), (36269, 551172), (45931, 435228), (72538, 275586), (91862, 217614), (108807, 183724), (137793, 145076)]