19788888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 57496320

約数和(自身を除く): 37707432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 1931, 2562, 3416, 3862, 5124, 5793, 7724, 10248, 11586, 13517, 15448, 23172, 27034, 40551, 46344, 54068, 81102, 108136, 117791, 162204, 235582, 324408, 353373, 471164, 706746, 824537, 942328, 1413492, 1649074, 2473611, 2826984, 3298148, 4947222, 6596296, 9894444, 19788888]

約数ペア:

[(1, 19788888), (2, 9894444), (3, 6596296), (4, 4947222), (6, 3298148), (7, 2826984), (8, 2473611), (12, 1649074), (14, 1413492), (21, 942328), (24, 824537), (28, 706746), (42, 471164), (56, 353373), (61, 324408), (84, 235582), (122, 162204), (168, 117791), (183, 108136), (244, 81102), (366, 54068), (427, 46344), (488, 40551), (732, 27034), (854, 23172), (1281, 15448), (1464, 13517), (1708, 11586), (1931, 10248), (2562, 7724), (3416, 5793), (3862, 5124)]