18750816

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 62270208

約数和(自身を除く): 43519392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 71, 72, 84, 96, 112, 126, 131, 142, 144, 168, 213, 224, 252, 262, 284, 288, 336, 393, 426, 497, 504, 524, 568, 639, 672, 786, 852, 917, 994, 1008, 1048, 1136, 1179, 1278, 1491, 1572, 1704, 1834, 1988, 2016, 2096, 2272, 2358, 2556, 2751, 2982, 3144, 3408, 3668, 3976, 4192, 4473, 4716, 5112, 5502, 5964, 6288, 6816, 7336, 7952, 8253, 8946, 9301, 9432, 10224, 11004, 11928, 12576, 14672, 15904, 16506, 17892, 18602, 18864, 20448, 22008, 23856, 27903, 29344, 33012, 35784, 37204, 37728, 44016, 47712, 55806, 65107, 66024, 71568, 74408, 83709, 88032, 111612, 130214, 132048, 143136, 148816, 167418, 195321, 223224, 260428, 264096, 297632, 334836, 390642, 446448, 520856, 585963, 669672, 781284, 892896, 1041712, 1171926, 1339344, 1562568, 2083424, 2343852, 2678688, 3125136, 4687704, 6250272, 9375408, 18750816]

約数ペア:

[(1, 18750816), (2, 9375408), (3, 6250272), (4, 4687704), (6, 3125136), (7, 2678688), (8, 2343852), (9, 2083424), (12, 1562568), (14, 1339344), (16, 1171926), (18, 1041712), (21, 892896), (24, 781284), (28, 669672), (32, 585963), (36, 520856), (42, 446448), (48, 390642), (56, 334836), (63, 297632), (71, 264096), (72, 260428), (84, 223224), (96, 195321), (112, 167418), (126, 148816), (131, 143136), (142, 132048), (144, 130214), (168, 111612), (213, 88032), (224, 83709), (252, 74408), (262, 71568), (284, 66024), (288, 65107), (336, 55806), (393, 47712), (426, 44016), (497, 37728), (504, 37204), (524, 35784), (568, 33012), (639, 29344), (672, 27903), (786, 23856), (852, 22008), (917, 20448), (994, 18864), (1008, 18602), (1048, 17892), (1136, 16506), (1179, 15904), (1278, 14672), (1491, 12576), (1572, 11928), (1704, 11004), (1834, 10224), (1988, 9432), (2016, 9301), (2096, 8946), (2272, 8253), (2358, 7952), (2556, 7336), (2751, 6816), (2982, 6288), (3144, 5964), (3408, 5502), (3668, 5112), (3976, 4716), (4192, 4473)]