18508728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 55186560

約数和(自身を除く): 36677832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 131, 168, 174, 203, 232, 262, 348, 393, 406, 524, 609, 696, 786, 812, 841, 917, 1048, 1218, 1572, 1624, 1682, 1834, 2436, 2523, 2751, 3144, 3364, 3668, 3799, 4872, 5046, 5502, 5887, 6728, 7336, 7598, 10092, 11004, 11397, 11774, 15196, 17661, 20184, 22008, 22794, 23548, 26593, 30392, 35322, 45588, 47096, 53186, 70644, 79779, 91176, 106372, 110171, 141288, 159558, 212744, 220342, 319116, 330513, 440684, 638232, 661026, 771197, 881368, 1322052, 1542394, 2313591, 2644104, 3084788, 4627182, 6169576, 9254364, 18508728]

約数ペア:

[(1, 18508728), (2, 9254364), (3, 6169576), (4, 4627182), (6, 3084788), (7, 2644104), (8, 2313591), (12, 1542394), (14, 1322052), (21, 881368), (24, 771197), (28, 661026), (29, 638232), (42, 440684), (56, 330513), (58, 319116), (84, 220342), (87, 212744), (116, 159558), (131, 141288), (168, 110171), (174, 106372), (203, 91176), (232, 79779), (262, 70644), (348, 53186), (393, 47096), (406, 45588), (524, 35322), (609, 30392), (696, 26593), (786, 23548), (812, 22794), (841, 22008), (917, 20184), (1048, 17661), (1218, 15196), (1572, 11774), (1624, 11397), (1682, 11004), (1834, 10092), (2436, 7598), (2523, 7336), (2751, 6728), (3144, 5887), (3364, 5502), (3668, 5046), (3799, 4872)]