19407276

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 59628800

約数和(自身を除く): 40221524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 126, 129, 162, 172, 189, 199, 252, 258, 301, 324, 378, 387, 398, 516, 567, 597, 602, 756, 774, 796, 903, 1134, 1161, 1194, 1204, 1393, 1548, 1791, 1806, 2268, 2322, 2388, 2709, 2786, 3483, 3582, 3612, 4179, 4644, 5373, 5418, 5572, 6966, 7164, 8127, 8358, 8557, 10746, 10836, 12537, 13932, 16119, 16254, 16716, 17114, 21492, 24381, 25074, 25671, 32238, 32508, 34228, 37611, 48762, 50148, 51342, 59899, 64476, 75222, 77013, 97524, 102684, 112833, 119798, 150444, 154026, 179697, 225666, 231039, 239596, 308052, 359394, 451332, 462078, 539091, 693117, 718788, 924156, 1078182, 1386234, 1617273, 2156364, 2772468, 3234546, 4851819, 6469092, 9703638, 19407276]

約数ペア:

[(1, 19407276), (2, 9703638), (3, 6469092), (4, 4851819), (6, 3234546), (7, 2772468), (9, 2156364), (12, 1617273), (14, 1386234), (18, 1078182), (21, 924156), (27, 718788), (28, 693117), (36, 539091), (42, 462078), (43, 451332), (54, 359394), (63, 308052), (81, 239596), (84, 231039), (86, 225666), (108, 179697), (126, 154026), (129, 150444), (162, 119798), (172, 112833), (189, 102684), (199, 97524), (252, 77013), (258, 75222), (301, 64476), (324, 59899), (378, 51342), (387, 50148), (398, 48762), (516, 37611), (567, 34228), (597, 32508), (602, 32238), (756, 25671), (774, 25074), (796, 24381), (903, 21492), (1134, 17114), (1161, 16716), (1194, 16254), (1204, 16119), (1393, 13932), (1548, 12537), (1791, 10836), (1806, 10746), (2268, 8557), (2322, 8358), (2388, 8127), (2709, 7164), (2786, 6966), (3483, 5572), (3582, 5418), (3612, 5373), (4179, 4644)]