18977448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 57784320

約数和(自身を除く): 38806872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 43, 56, 71, 74, 84, 86, 111, 129, 142, 148, 168, 172, 213, 222, 258, 259, 284, 296, 301, 344, 426, 444, 497, 516, 518, 568, 602, 777, 852, 888, 903, 994, 1032, 1036, 1204, 1491, 1554, 1591, 1704, 1806, 1988, 2072, 2408, 2627, 2982, 3053, 3108, 3182, 3612, 3976, 4773, 5254, 5964, 6106, 6216, 6364, 7224, 7881, 9159, 9546, 10508, 11137, 11928, 12212, 12728, 15762, 18318, 18389, 19092, 21016, 21371, 22274, 24424, 31524, 33411, 36636, 36778, 38184, 42742, 44548, 55167, 63048, 64113, 66822, 73272, 73556, 85484, 89096, 110334, 112961, 128226, 133644, 147112, 170968, 220668, 225922, 256452, 267288, 338883, 441336, 451844, 512904, 677766, 790727, 903688, 1355532, 1581454, 2372181, 2711064, 3162908, 4744362, 6325816, 9488724, 18977448]

約数ペア:

[(1, 18977448), (2, 9488724), (3, 6325816), (4, 4744362), (6, 3162908), (7, 2711064), (8, 2372181), (12, 1581454), (14, 1355532), (21, 903688), (24, 790727), (28, 677766), (37, 512904), (42, 451844), (43, 441336), (56, 338883), (71, 267288), (74, 256452), (84, 225922), (86, 220668), (111, 170968), (129, 147112), (142, 133644), (148, 128226), (168, 112961), (172, 110334), (213, 89096), (222, 85484), (258, 73556), (259, 73272), (284, 66822), (296, 64113), (301, 63048), (344, 55167), (426, 44548), (444, 42742), (497, 38184), (516, 36778), (518, 36636), (568, 33411), (602, 31524), (777, 24424), (852, 22274), (888, 21371), (903, 21016), (994, 19092), (1032, 18389), (1036, 18318), (1204, 15762), (1491, 12728), (1554, 12212), (1591, 11928), (1704, 11137), (1806, 10508), (1988, 9546), (2072, 9159), (2408, 7881), (2627, 7224), (2982, 6364), (3053, 6216), (3108, 6106), (3182, 5964), (3612, 5254), (3976, 4773)]