19909344

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 67060224

約数和(自身を除く): 47150880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 43, 48, 52, 53, 56, 78, 84, 86, 91, 96, 104, 106, 112, 129, 156, 159, 168, 172, 182, 208, 212, 224, 258, 273, 301, 312, 318, 336, 344, 364, 371, 416, 424, 516, 546, 559, 602, 624, 636, 672, 688, 689, 728, 742, 848, 903, 1032, 1092, 1113, 1118, 1204, 1248, 1272, 1376, 1378, 1456, 1484, 1677, 1696, 1806, 2064, 2067, 2184, 2226, 2236, 2279, 2408, 2544, 2756, 2912, 2968, 3354, 3612, 3913, 4128, 4134, 4368, 4452, 4472, 4558, 4816, 4823, 5088, 5512, 5936, 6708, 6837, 7224, 7826, 8268, 8736, 8904, 8944, 9116, 9632, 9646, 11024, 11739, 11872, 13416, 13674, 14448, 14469, 15652, 15953, 16536, 17808, 17888, 18232, 19292, 22048, 23478, 26832, 27348, 28896, 28938, 29627, 31304, 31906, 33072, 35616, 36464, 38584, 46956, 47859, 53664, 54696, 57876, 59254, 62608, 63812, 66144, 72928, 77168, 88881, 93912, 95718, 109392, 115752, 118508, 125216, 127624, 154336, 177762, 187824, 191436, 207389, 218784, 231504, 237016, 255248, 355524, 375648, 382872, 414778, 463008, 474032, 510496, 622167, 711048, 765744, 829556, 948064, 1244334, 1422096, 1531488, 1659112, 2488668, 2844192, 3318224, 4977336, 6636448, 9954672, 19909344]

約数ペア:

[(1, 19909344), (2, 9954672), (3, 6636448), (4, 4977336), (6, 3318224), (7, 2844192), (8, 2488668), (12, 1659112), (13, 1531488), (14, 1422096), (16, 1244334), (21, 948064), (24, 829556), (26, 765744), (28, 711048), (32, 622167), (39, 510496), (42, 474032), (43, 463008), (48, 414778), (52, 382872), (53, 375648), (56, 355524), (78, 255248), (84, 237016), (86, 231504), (91, 218784), (96, 207389), (104, 191436), (106, 187824), (112, 177762), (129, 154336), (156, 127624), (159, 125216), (168, 118508), (172, 115752), (182, 109392), (208, 95718), (212, 93912), (224, 88881), (258, 77168), (273, 72928), (301, 66144), (312, 63812), (318, 62608), (336, 59254), (344, 57876), (364, 54696), (371, 53664), (416, 47859), (424, 46956), (516, 38584), (546, 36464), (559, 35616), (602, 33072), (624, 31906), (636, 31304), (672, 29627), (688, 28938), (689, 28896), (728, 27348), (742, 26832), (848, 23478), (903, 22048), (1032, 19292), (1092, 18232), (1113, 17888), (1118, 17808), (1204, 16536), (1248, 15953), (1272, 15652), (1376, 14469), (1378, 14448), (1456, 13674), (1484, 13416), (1677, 11872), (1696, 11739), (1806, 11024), (2064, 9646), (2067, 9632), (2184, 9116), (2226, 8944), (2236, 8904), (2279, 8736), (2408, 8268), (2544, 7826), (2756, 7224), (2912, 6837), (2968, 6708), (3354, 5936), (3612, 5512), (3913, 5088), (4128, 4823), (4134, 4816), (4368, 4558), (4452, 4472)]