19809216

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{17}}^3$

素因数の和:76

約数の個数: 168

約数和(自身を含む): 68945760

約数和(自身を除く): 49136544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 192, 204, 224, 238, 252, 272, 288, 289, 306, 336, 357, 408, 448, 476, 504, 544, 576, 578, 612, 672, 714, 816, 867, 952, 1008, 1071, 1088, 1156, 1224, 1344, 1428, 1632, 1734, 1904, 2016, 2023, 2142, 2312, 2448, 2601, 2856, 3264, 3468, 3808, 4032, 4046, 4284, 4624, 4896, 4913, 5202, 5712, 6069, 6936, 7616, 8092, 8568, 9248, 9792, 9826, 10404, 11424, 12138, 13872, 14739, 16184, 17136, 18207, 18496, 19652, 20808, 22848, 24276, 27744, 29478, 32368, 34272, 34391, 36414, 39304, 41616, 44217, 48552, 55488, 58956, 64736, 68544, 68782, 72828, 78608, 83232, 88434, 97104, 103173, 117912, 129472, 137564, 145656, 157216, 166464, 176868, 194208, 206346, 235824, 275128, 291312, 309519, 314432, 353736, 388416, 412692, 471648, 550256, 582624, 619038, 707472, 825384, 943296, 1100512, 1165248, 1238076, 1414944, 1650768, 2201024, 2476152, 2829888, 3301536, 4952304, 6603072, 9904608, 19809216]

約数ペア:

[(1, 19809216), (2, 9904608), (3, 6603072), (4, 4952304), (6, 3301536), (7, 2829888), (8, 2476152), (9, 2201024), (12, 1650768), (14, 1414944), (16, 1238076), (17, 1165248), (18, 1100512), (21, 943296), (24, 825384), (28, 707472), (32, 619038), (34, 582624), (36, 550256), (42, 471648), (48, 412692), (51, 388416), (56, 353736), (63, 314432), (64, 309519), (68, 291312), (72, 275128), (84, 235824), (96, 206346), (102, 194208), (112, 176868), (119, 166464), (126, 157216), (136, 145656), (144, 137564), (153, 129472), (168, 117912), (192, 103173), (204, 97104), (224, 88434), (238, 83232), (252, 78608), (272, 72828), (288, 68782), (289, 68544), (306, 64736), (336, 58956), (357, 55488), (408, 48552), (448, 44217), (476, 41616), (504, 39304), (544, 36414), (576, 34391), (578, 34272), (612, 32368), (672, 29478), (714, 27744), (816, 24276), (867, 22848), (952, 20808), (1008, 19652), (1071, 18496), (1088, 18207), (1156, 17136), (1224, 16184), (1344, 14739), (1428, 13872), (1632, 12138), (1734, 11424), (1904, 10404), (2016, 9826), (2023, 9792), (2142, 9248), (2312, 8568), (2448, 8092), (2601, 7616), (2856, 6936), (3264, 6069), (3468, 5712), (3808, 5202), (4032, 4913), (4046, 4896), (4284, 4624)]