1868980904

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{11789}}^1$

素因数の和:11970

約数の個数: 64

約数和(自身を含む): 4244400000

約数和(自身を除く): 2375419096

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 149, 152, 266, 298, 532, 596, 1043, 1064, 1192, 2086, 2831, 4172, 5662, 8344, 11324, 11789, 19817, 22648, 23578, 39634, 47156, 79268, 82523, 94312, 158536, 165046, 223991, 330092, 447982, 660184, 895964, 1567937, 1756561, 1791928, 3135874, 3513122, 6271748, 7026244, 12295927, 12543496, 14052488, 24591854, 33374659, 49183708, 66749318, 98367416, 133498636, 233622613, 266997272, 467245226, 934490452, 1868980904]

約数ペア:

[(1, 1868980904), (2, 934490452), (4, 467245226), (7, 266997272), (8, 233622613), (14, 133498636), (19, 98367416), (28, 66749318), (38, 49183708), (56, 33374659), (76, 24591854), (133, 14052488), (149, 12543496), (152, 12295927), (266, 7026244), (298, 6271748), (532, 3513122), (596, 3135874), (1043, 1791928), (1064, 1756561), (1192, 1567937), (2086, 895964), (2831, 660184), (4172, 447982), (5662, 330092), (8344, 223991), (11324, 165046), (11789, 158536), (19817, 94312), (22648, 82523), (23578, 79268), (39634, 47156)]