19521656

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 47752320

約数和(自身を除く): 28230664

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 67, 77, 86, 88, 121, 134, 154, 172, 242, 268, 301, 308, 344, 469, 473, 484, 536, 602, 616, 737, 847, 938, 946, 968, 1204, 1474, 1694, 1876, 1892, 2408, 2881, 2948, 3311, 3388, 3752, 3784, 5159, 5203, 5762, 5896, 6622, 6776, 8107, 10318, 10406, 11524, 13244, 16214, 20167, 20636, 20812, 23048, 26488, 31691, 32428, 36421, 40334, 41272, 41624, 56749, 63382, 64856, 72842, 80668, 113498, 126764, 145684, 161336, 221837, 226996, 253528, 291368, 348601, 443674, 453992, 697202, 887348, 1394404, 1774696, 2440207, 2788808, 4880414, 9760828, 19521656]

約数ペア:

[(1, 19521656), (2, 9760828), (4, 4880414), (7, 2788808), (8, 2440207), (11, 1774696), (14, 1394404), (22, 887348), (28, 697202), (43, 453992), (44, 443674), (56, 348601), (67, 291368), (77, 253528), (86, 226996), (88, 221837), (121, 161336), (134, 145684), (154, 126764), (172, 113498), (242, 80668), (268, 72842), (301, 64856), (308, 63382), (344, 56749), (469, 41624), (473, 41272), (484, 40334), (536, 36421), (602, 32428), (616, 31691), (737, 26488), (847, 23048), (938, 20812), (946, 20636), (968, 20167), (1204, 16214), (1474, 13244), (1694, 11524), (1876, 10406), (1892, 10318), (2408, 8107), (2881, 6776), (2948, 6622), (3311, 5896), (3388, 5762), (3752, 5203), (3784, 5159)]