19123992

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 57024000

約数和(自身を除く): 37900008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 43, 54, 58, 71, 72, 86, 87, 108, 116, 129, 142, 172, 174, 213, 216, 232, 258, 261, 284, 344, 348, 387, 426, 516, 522, 568, 639, 696, 774, 783, 852, 1032, 1044, 1161, 1247, 1278, 1548, 1566, 1704, 1917, 2059, 2088, 2322, 2494, 2556, 3053, 3096, 3132, 3741, 3834, 4118, 4644, 4988, 5112, 6106, 6177, 6264, 7482, 7668, 8236, 9159, 9288, 9976, 11223, 12212, 12354, 14964, 15336, 16472, 18318, 18531, 22446, 24424, 24708, 27477, 29928, 33669, 36636, 37062, 44892, 49416, 54954, 55593, 67338, 73272, 74124, 82431, 88537, 89784, 109908, 111186, 134676, 148248, 164862, 177074, 219816, 222372, 265611, 269352, 329724, 354148, 444744, 531222, 659448, 708296, 796833, 1062444, 1593666, 2124888, 2390499, 3187332, 4780998, 6374664, 9561996, 19123992]

約数ペア:

[(1, 19123992), (2, 9561996), (3, 6374664), (4, 4780998), (6, 3187332), (8, 2390499), (9, 2124888), (12, 1593666), (18, 1062444), (24, 796833), (27, 708296), (29, 659448), (36, 531222), (43, 444744), (54, 354148), (58, 329724), (71, 269352), (72, 265611), (86, 222372), (87, 219816), (108, 177074), (116, 164862), (129, 148248), (142, 134676), (172, 111186), (174, 109908), (213, 89784), (216, 88537), (232, 82431), (258, 74124), (261, 73272), (284, 67338), (344, 55593), (348, 54954), (387, 49416), (426, 44892), (516, 37062), (522, 36636), (568, 33669), (639, 29928), (696, 27477), (774, 24708), (783, 24424), (852, 22446), (1032, 18531), (1044, 18318), (1161, 16472), (1247, 15336), (1278, 14964), (1548, 12354), (1566, 12212), (1704, 11223), (1917, 9976), (2059, 9288), (2088, 9159), (2322, 8236), (2494, 7668), (2556, 7482), (3053, 6264), (3096, 6177), (3132, 6106), (3741, 5112), (3834, 4988), (4118, 4644)]