19970496

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 224

約数和(自身を含む): 72826880

約数和(自身を除く): 52856384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 64, 72, 78, 84, 91, 96, 104, 108, 112, 117, 126, 127, 144, 156, 168, 182, 189, 192, 208, 216, 224, 234, 252, 254, 273, 288, 312, 336, 351, 364, 378, 381, 416, 432, 448, 468, 504, 508, 546, 576, 624, 672, 702, 728, 756, 762, 819, 832, 864, 889, 936, 1008, 1016, 1092, 1143, 1248, 1344, 1404, 1456, 1512, 1524, 1638, 1651, 1728, 1778, 1872, 2016, 2032, 2184, 2286, 2457, 2496, 2667, 2808, 2912, 3024, 3048, 3276, 3302, 3429, 3556, 3744, 4032, 4064, 4368, 4572, 4914, 4953, 5334, 5616, 5824, 6048, 6096, 6552, 6604, 6858, 7112, 7488, 8001, 8128, 8736, 9144, 9828, 9906, 10668, 11232, 11557, 12096, 12192, 13104, 13208, 13716, 14224, 14859, 16002, 17472, 18288, 19656, 19812, 21336, 22464, 23114, 24003, 24384, 26208, 26416, 27432, 28448, 29718, 32004, 34671, 36576, 39312, 39624, 42672, 44577, 46228, 48006, 52416, 52832, 54864, 56896, 59436, 64008, 69342, 73152, 78624, 79248, 85344, 89154, 92456, 96012, 104013, 105664, 109728, 118872, 128016, 138684, 157248, 158496, 170688, 178308, 184912, 192024, 208026, 219456, 237744, 256032, 277368, 312039, 316992, 356616, 369824, 384048, 416052, 475488, 512064, 554736, 624078, 713232, 739648, 768096, 832104, 950976, 1109472, 1248156, 1426464, 1536192, 1664208, 2218944, 2496312, 2852928, 3328416, 4992624, 6656832, 9985248, 19970496]

約数ペア:

[(1, 19970496), (2, 9985248), (3, 6656832), (4, 4992624), (6, 3328416), (7, 2852928), (8, 2496312), (9, 2218944), (12, 1664208), (13, 1536192), (14, 1426464), (16, 1248156), (18, 1109472), (21, 950976), (24, 832104), (26, 768096), (27, 739648), (28, 713232), (32, 624078), (36, 554736), (39, 512064), (42, 475488), (48, 416052), (52, 384048), (54, 369824), (56, 356616), (63, 316992), (64, 312039), (72, 277368), (78, 256032), (84, 237744), (91, 219456), (96, 208026), (104, 192024), (108, 184912), (112, 178308), (117, 170688), (126, 158496), (127, 157248), (144, 138684), (156, 128016), (168, 118872), (182, 109728), (189, 105664), (192, 104013), (208, 96012), (216, 92456), (224, 89154), (234, 85344), (252, 79248), (254, 78624), (273, 73152), (288, 69342), (312, 64008), (336, 59436), (351, 56896), (364, 54864), (378, 52832), (381, 52416), (416, 48006), (432, 46228), (448, 44577), (468, 42672), (504, 39624), (508, 39312), (546, 36576), (576, 34671), (624, 32004), (672, 29718), (702, 28448), (728, 27432), (756, 26416), (762, 26208), (819, 24384), (832, 24003), (864, 23114), (889, 22464), (936, 21336), (1008, 19812), (1016, 19656), (1092, 18288), (1143, 17472), (1248, 16002), (1344, 14859), (1404, 14224), (1456, 13716), (1512, 13208), (1524, 13104), (1638, 12192), (1651, 12096), (1728, 11557), (1778, 11232), (1872, 10668), (2016, 9906), (2032, 9828), (2184, 9144), (2286, 8736), (2457, 8128), (2496, 8001), (2667, 7488), (2808, 7112), (2912, 6858), (3024, 6604), (3048, 6552), (3276, 6096), (3302, 6048), (3429, 5824), (3556, 5616), (3744, 5334), (4032, 4953), (4064, 4914), (4368, 4572)]