19378944

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 108

約数和(自身を含む): 60265296

約数和(自身を除く): 40886352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 647, 768, 832, 936, 1152, 1248, 1294, 1664, 1872, 1941, 2304, 2496, 2588, 3328, 3744, 3882, 4992, 5176, 5823, 7488, 7764, 8411, 9984, 10352, 11646, 14976, 15528, 16822, 20704, 23292, 25233, 29952, 31056, 33644, 41408, 46584, 50466, 62112, 67288, 75699, 82816, 93168, 100932, 124224, 134576, 151398, 165632, 186336, 201864, 248448, 269152, 302796, 372672, 403728, 496896, 538304, 605592, 745344, 807456, 1076608, 1211184, 1490688, 1614912, 2153216, 2422368, 3229824, 4844736, 6459648, 9689472, 19378944]

約数ペア:

[(1, 19378944), (2, 9689472), (3, 6459648), (4, 4844736), (6, 3229824), (8, 2422368), (9, 2153216), (12, 1614912), (13, 1490688), (16, 1211184), (18, 1076608), (24, 807456), (26, 745344), (32, 605592), (36, 538304), (39, 496896), (48, 403728), (52, 372672), (64, 302796), (72, 269152), (78, 248448), (96, 201864), (104, 186336), (117, 165632), (128, 151398), (144, 134576), (156, 124224), (192, 100932), (208, 93168), (234, 82816), (256, 75699), (288, 67288), (312, 62112), (384, 50466), (416, 46584), (468, 41408), (576, 33644), (624, 31056), (647, 29952), (768, 25233), (832, 23292), (936, 20704), (1152, 16822), (1248, 15528), (1294, 14976), (1664, 11646), (1872, 10352), (1941, 9984), (2304, 8411), (2496, 7764), (2588, 7488), (3328, 5823), (3744, 5176), (3882, 4992)]