20180991726

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{2542327}}^1$

素因数の和:2542355

約数の個数: 60

約数和(自身を含む): 52603308648

約数和(自身を除く): 32422316922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938, 2542327, 5084654, 7626981, 15253962, 17796289, 22880943, 35592578, 45761886, 53388867, 68642829, 106777734, 124574023, 137285658, 160166601, 205928487, 249148046, 320333202, 373722069, 411856974, 480499803, 747444138, 960999606, 1121166207, 1441499409, 2242332414, 2882998818, 3363498621, 6726997242, 10090495863, 20180991726]

約数ペア:

[(1, 20180991726), (2, 10090495863), (3, 6726997242), (6, 3363498621), (7, 2882998818), (9, 2242332414), (14, 1441499409), (18, 1121166207), (21, 960999606), (27, 747444138), (42, 480499803), (49, 411856974), (54, 373722069), (63, 320333202), (81, 249148046), (98, 205928487), (126, 160166601), (147, 137285658), (162, 124574023), (189, 106777734), (294, 68642829), (378, 53388867), (441, 45761886), (567, 35592578), (882, 22880943), (1134, 17796289), (1323, 15253962), (2646, 7626981), (3969, 5084654), (7938, 2542327)]