18887148

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 58988160

約数和(自身を除く): 40101012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 49, 54, 63, 83, 84, 86, 98, 108, 126, 129, 147, 166, 172, 189, 196, 249, 252, 258, 294, 301, 332, 378, 387, 441, 498, 516, 581, 588, 602, 747, 756, 774, 882, 903, 996, 1161, 1162, 1204, 1323, 1494, 1548, 1743, 1764, 1806, 2107, 2241, 2322, 2324, 2646, 2709, 2988, 3486, 3569, 3612, 4067, 4214, 4482, 4644, 5229, 5292, 5418, 6321, 6972, 7138, 8127, 8134, 8428, 8964, 10458, 10707, 10836, 12201, 12642, 14276, 15687, 16254, 16268, 18963, 20916, 21414, 24402, 24983, 25284, 31374, 32121, 32508, 36603, 37926, 42828, 48804, 49966, 56889, 62748, 64242, 73206, 74949, 75852, 96363, 99932, 109809, 113778, 128484, 146412, 149898, 174881, 192726, 219618, 224847, 227556, 299796, 349762, 385452, 439236, 449694, 524643, 674541, 699524, 899388, 1049286, 1349082, 1573929, 2098572, 2698164, 3147858, 4721787, 6295716, 9443574, 18887148]

約数ペア:

[(1, 18887148), (2, 9443574), (3, 6295716), (4, 4721787), (6, 3147858), (7, 2698164), (9, 2098572), (12, 1573929), (14, 1349082), (18, 1049286), (21, 899388), (27, 699524), (28, 674541), (36, 524643), (42, 449694), (43, 439236), (49, 385452), (54, 349762), (63, 299796), (83, 227556), (84, 224847), (86, 219618), (98, 192726), (108, 174881), (126, 149898), (129, 146412), (147, 128484), (166, 113778), (172, 109809), (189, 99932), (196, 96363), (249, 75852), (252, 74949), (258, 73206), (294, 64242), (301, 62748), (332, 56889), (378, 49966), (387, 48804), (441, 42828), (498, 37926), (516, 36603), (581, 32508), (588, 32121), (602, 31374), (747, 25284), (756, 24983), (774, 24402), (882, 21414), (903, 20916), (996, 18963), (1161, 16268), (1162, 16254), (1204, 15687), (1323, 14276), (1494, 12642), (1548, 12201), (1743, 10836), (1764, 10707), (1806, 10458), (2107, 8964), (2241, 8428), (2322, 8134), (2324, 8127), (2646, 7138), (2709, 6972), (2988, 6321), (3486, 5418), (3569, 5292), (3612, 5229), (4067, 4644), (4214, 4482)]