18521118

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 53778816

約数和(自身を除く): 35257698

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 33, 42, 46, 49, 63, 66, 69, 77, 83, 98, 99, 126, 138, 147, 154, 161, 166, 198, 207, 231, 249, 253, 294, 322, 414, 441, 462, 483, 498, 506, 539, 581, 693, 747, 759, 882, 913, 966, 1078, 1127, 1162, 1386, 1449, 1494, 1518, 1617, 1743, 1771, 1826, 1909, 2254, 2277, 2739, 2898, 3234, 3381, 3486, 3542, 3818, 4067, 4554, 4851, 5229, 5313, 5478, 5727, 6391, 6762, 8134, 8217, 9702, 10143, 10458, 10626, 11454, 12201, 12397, 12782, 13363, 15939, 16434, 17181, 19173, 20286, 20999, 24402, 24794, 26726, 31878, 34362, 36603, 37191, 38346, 40089, 41998, 44737, 57519, 62997, 73206, 74382, 80178, 89474, 93541, 111573, 115038, 120267, 125994, 134211, 146993, 187082, 188991, 223146, 240534, 268422, 280623, 293986, 377982, 402633, 440979, 561246, 805266, 841869, 881958, 1028951, 1322937, 1683738, 2057902, 2645874, 3086853, 6173706, 9260559, 18521118]

約数ペア:

[(1, 18521118), (2, 9260559), (3, 6173706), (6, 3086853), (7, 2645874), (9, 2057902), (11, 1683738), (14, 1322937), (18, 1028951), (21, 881958), (22, 841869), (23, 805266), (33, 561246), (42, 440979), (46, 402633), (49, 377982), (63, 293986), (66, 280623), (69, 268422), (77, 240534), (83, 223146), (98, 188991), (99, 187082), (126, 146993), (138, 134211), (147, 125994), (154, 120267), (161, 115038), (166, 111573), (198, 93541), (207, 89474), (231, 80178), (249, 74382), (253, 73206), (294, 62997), (322, 57519), (414, 44737), (441, 41998), (462, 40089), (483, 38346), (498, 37191), (506, 36603), (539, 34362), (581, 31878), (693, 26726), (747, 24794), (759, 24402), (882, 20999), (913, 20286), (966, 19173), (1078, 17181), (1127, 16434), (1162, 15939), (1386, 13363), (1449, 12782), (1494, 12397), (1518, 12201), (1617, 11454), (1743, 10626), (1771, 10458), (1826, 10143), (1909, 9702), (2254, 8217), (2277, 8134), (2739, 6762), (2898, 6391), (3234, 5727), (3381, 5478), (3486, 5313), (3542, 5229), (3818, 4851), (4067, 4554)]