218926854

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 539904000

約数和(自身を除く): 320977146

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 73, 74, 79, 111, 114, 146, 158, 171, 219, 222, 237, 333, 342, 438, 474, 513, 657, 666, 703, 711, 999, 1026, 1314, 1387, 1406, 1422, 1501, 1971, 1998, 2109, 2133, 2701, 2774, 2923, 3002, 3942, 4161, 4218, 4266, 4503, 5402, 5767, 5846, 6327, 8103, 8322, 8769, 9006, 11534, 12483, 12654, 13509, 16206, 17301, 17538, 18981, 24309, 24966, 26307, 27018, 34602, 37449, 37962, 40527, 48618, 51319, 51903, 52614, 55537, 72927, 74898, 78921, 81054, 102638, 103806, 109573, 111074, 145854, 153957, 155709, 157842, 166611, 213379, 219146, 307914, 311418, 328719, 333222, 426758, 461871, 499833, 640137, 657438, 923742, 986157, 999666, 1280274, 1385613, 1499499, 1920411, 1972314, 2771226, 2958471, 2998998, 3840822, 4054201, 5761233, 5916942, 8108402, 11522466, 12162603, 24325206, 36487809, 72975618, 109463427, 218926854]

約数ペア:

[(1, 218926854), (2, 109463427), (3, 72975618), (6, 36487809), (9, 24325206), (18, 12162603), (19, 11522466), (27, 8108402), (37, 5916942), (38, 5761233), (54, 4054201), (57, 3840822), (73, 2998998), (74, 2958471), (79, 2771226), (111, 1972314), (114, 1920411), (146, 1499499), (158, 1385613), (171, 1280274), (219, 999666), (222, 986157), (237, 923742), (333, 657438), (342, 640137), (438, 499833), (474, 461871), (513, 426758), (657, 333222), (666, 328719), (703, 311418), (711, 307914), (999, 219146), (1026, 213379), (1314, 166611), (1387, 157842), (1406, 155709), (1422, 153957), (1501, 145854), (1971, 111074), (1998, 109573), (2109, 103806), (2133, 102638), (2701, 81054), (2774, 78921), (2923, 74898), (3002, 72927), (3942, 55537), (4161, 52614), (4218, 51903), (4266, 51319), (4503, 48618), (5402, 40527), (5767, 37962), (5846, 37449), (6327, 34602), (8103, 27018), (8322, 26307), (8769, 24966), (9006, 24309), (11534, 18981), (12483, 17538), (12654, 17301), (13509, 16206)]