18879744

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 56774144

約数和(自身を除く): 37894400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 61, 62, 64, 78, 93, 96, 104, 122, 124, 128, 156, 183, 186, 192, 208, 244, 248, 256, 312, 366, 372, 384, 403, 416, 488, 496, 624, 732, 744, 768, 793, 806, 832, 976, 992, 1209, 1248, 1464, 1488, 1586, 1612, 1664, 1891, 1952, 1984, 2379, 2418, 2496, 2928, 2976, 3172, 3224, 3328, 3782, 3904, 3968, 4758, 4836, 4992, 5673, 5856, 5952, 6344, 6448, 7564, 7808, 7936, 9516, 9672, 9984, 11346, 11712, 11904, 12688, 12896, 15128, 15616, 19032, 19344, 22692, 23424, 23808, 24583, 25376, 25792, 30256, 38064, 38688, 45384, 46848, 49166, 50752, 51584, 60512, 73749, 76128, 77376, 90768, 98332, 101504, 103168, 121024, 147498, 152256, 154752, 181536, 196664, 203008, 242048, 294996, 304512, 309504, 363072, 393328, 484096, 589992, 609024, 726144, 786656, 1179984, 1452288, 1573312, 2359968, 3146624, 4719936, 6293248, 9439872, 18879744]

約数ペア:

[(1, 18879744), (2, 9439872), (3, 6293248), (4, 4719936), (6, 3146624), (8, 2359968), (12, 1573312), (13, 1452288), (16, 1179984), (24, 786656), (26, 726144), (31, 609024), (32, 589992), (39, 484096), (48, 393328), (52, 363072), (61, 309504), (62, 304512), (64, 294996), (78, 242048), (93, 203008), (96, 196664), (104, 181536), (122, 154752), (124, 152256), (128, 147498), (156, 121024), (183, 103168), (186, 101504), (192, 98332), (208, 90768), (244, 77376), (248, 76128), (256, 73749), (312, 60512), (366, 51584), (372, 50752), (384, 49166), (403, 46848), (416, 45384), (488, 38688), (496, 38064), (624, 30256), (732, 25792), (744, 25376), (768, 24583), (793, 23808), (806, 23424), (832, 22692), (976, 19344), (992, 19032), (1209, 15616), (1248, 15128), (1464, 12896), (1488, 12688), (1586, 11904), (1612, 11712), (1664, 11346), (1891, 9984), (1952, 9672), (1984, 9516), (2379, 7936), (2418, 7808), (2496, 7564), (2928, 6448), (2976, 6344), (3172, 5952), (3224, 5856), (3328, 5673), (3782, 4992), (3904, 4836), (3968, 4758)]