18037278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 47376576

約数和(自身を除く): 29339298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 53, 63, 73, 74, 106, 111, 126, 146, 159, 219, 222, 259, 318, 333, 371, 438, 477, 511, 518, 657, 666, 742, 777, 954, 1022, 1113, 1314, 1533, 1554, 1961, 2226, 2331, 2701, 3066, 3339, 3869, 3922, 4599, 4662, 5402, 5883, 6678, 7738, 8103, 9198, 11607, 11766, 13727, 16206, 17649, 18907, 23214, 24309, 27083, 27454, 34821, 35298, 37814, 41181, 48618, 54166, 56721, 69642, 81249, 82362, 113442, 123543, 143153, 162498, 170163, 243747, 247086, 286306, 340326, 429459, 487494, 858918, 1002071, 1288377, 2004142, 2576754, 3006213, 6012426, 9018639, 18037278]

約数ペア:

[(1, 18037278), (2, 9018639), (3, 6012426), (6, 3006213), (7, 2576754), (9, 2004142), (14, 1288377), (18, 1002071), (21, 858918), (37, 487494), (42, 429459), (53, 340326), (63, 286306), (73, 247086), (74, 243747), (106, 170163), (111, 162498), (126, 143153), (146, 123543), (159, 113442), (219, 82362), (222, 81249), (259, 69642), (318, 56721), (333, 54166), (371, 48618), (438, 41181), (477, 37814), (511, 35298), (518, 34821), (657, 27454), (666, 27083), (742, 24309), (777, 23214), (954, 18907), (1022, 17649), (1113, 16206), (1314, 13727), (1533, 11766), (1554, 11607), (1961, 9198), (2226, 8103), (2331, 7738), (2701, 6678), (3066, 5883), (3339, 5402), (3869, 4662), (3922, 4599)]