19957709568

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1530

約数の個数: 144

約数和(自身を含む): 53894687616

約数和(自身を除く): 33936978048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 163, 192, 256, 262, 326, 384, 393, 489, 524, 652, 768, 786, 978, 1048, 1217, 1304, 1572, 1956, 2096, 2434, 2608, 3144, 3651, 3912, 4192, 4868, 5216, 6288, 7302, 7824, 8384, 9736, 10432, 12576, 14604, 15648, 16768, 19472, 20864, 21353, 25152, 29208, 31296, 33536, 38944, 41728, 42706, 50304, 58416, 62592, 64059, 77888, 85412, 100608, 116832, 125184, 128118, 155776, 159427, 170824, 198371, 233664, 256236, 311552, 318854, 341648, 396742, 467328, 478281, 512472, 595113, 637708, 683296, 793484, 934656, 956562, 1024944, 1190226, 1275416, 1366592, 1586968, 1913124, 2049888, 2380452, 2550832, 2733184, 3173936, 3826248, 4099776, 4760904, 5101664, 5466368, 6347872, 7652496, 8199552, 9521808, 10203328, 12695744, 15304992, 16399104, 19043616, 20406656, 25391488, 25986601, 30609984, 38087232, 40813312, 50782976, 51973202, 61219968, 76174464, 77959803, 103946404, 122439936, 152348928, 155919606, 207892808, 311839212, 415785616, 623678424, 831571232, 1247356848, 1663142464, 2494713696, 3326284928, 4989427392, 6652569856, 9978854784, 19957709568]

約数ペア:

[(1, 19957709568), (2, 9978854784), (3, 6652569856), (4, 4989427392), (6, 3326284928), (8, 2494713696), (12, 1663142464), (16, 1247356848), (24, 831571232), (32, 623678424), (48, 415785616), (64, 311839212), (96, 207892808), (128, 155919606), (131, 152348928), (163, 122439936), (192, 103946404), (256, 77959803), (262, 76174464), (326, 61219968), (384, 51973202), (393, 50782976), (489, 40813312), (524, 38087232), (652, 30609984), (768, 25986601), (786, 25391488), (978, 20406656), (1048, 19043616), (1217, 16399104), (1304, 15304992), (1572, 12695744), (1956, 10203328), (2096, 9521808), (2434, 8199552), (2608, 7652496), (3144, 6347872), (3651, 5466368), (3912, 5101664), (4192, 4760904), (4868, 4099776), (5216, 3826248), (6288, 3173936), (7302, 2733184), (7824, 2550832), (8384, 2380452), (9736, 2049888), (10432, 1913124), (12576, 1586968), (14604, 1366592), (15648, 1275416), (16768, 1190226), (19472, 1024944), (20864, 956562), (21353, 934656), (25152, 793484), (29208, 683296), (31296, 637708), (33536, 595113), (38944, 512472), (41728, 478281), (42706, 467328), (50304, 396742), (58416, 341648), (62592, 318854), (64059, 311552), (77888, 256236), (85412, 233664), (100608, 198371), (116832, 170824), (125184, 159427), (128118, 155776)]