16961868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 55560960

約数和(自身を除く): 38599092

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 29, 33, 36, 42, 44, 58, 63, 66, 77, 84, 87, 99, 116, 126, 132, 154, 174, 198, 203, 211, 231, 252, 261, 308, 319, 348, 396, 406, 422, 462, 522, 609, 633, 638, 693, 812, 844, 924, 957, 1044, 1218, 1266, 1276, 1386, 1477, 1827, 1899, 1914, 2233, 2321, 2436, 2532, 2772, 2871, 2954, 3654, 3798, 3828, 4431, 4466, 4642, 5742, 5908, 6119, 6699, 6963, 7308, 7596, 8862, 8932, 9284, 11484, 12238, 13293, 13398, 13926, 16247, 17724, 18357, 20097, 20889, 24476, 26586, 26796, 27852, 32494, 36714, 40194, 41778, 42833, 48741, 53172, 55071, 64988, 67309, 73428, 80388, 83556, 85666, 97482, 110142, 128499, 134618, 146223, 171332, 194964, 201927, 220284, 256998, 269236, 292446, 385497, 403854, 471163, 513996, 584892, 605781, 770994, 807708, 942326, 1211562, 1413489, 1541988, 1884652, 2423124, 2826978, 4240467, 5653956, 8480934, 16961868]

約数ペア:

[(1, 16961868), (2, 8480934), (3, 5653956), (4, 4240467), (6, 2826978), (7, 2423124), (9, 1884652), (11, 1541988), (12, 1413489), (14, 1211562), (18, 942326), (21, 807708), (22, 770994), (28, 605781), (29, 584892), (33, 513996), (36, 471163), (42, 403854), (44, 385497), (58, 292446), (63, 269236), (66, 256998), (77, 220284), (84, 201927), (87, 194964), (99, 171332), (116, 146223), (126, 134618), (132, 128499), (154, 110142), (174, 97482), (198, 85666), (203, 83556), (211, 80388), (231, 73428), (252, 67309), (261, 64988), (308, 55071), (319, 53172), (348, 48741), (396, 42833), (406, 41778), (422, 40194), (462, 36714), (522, 32494), (609, 27852), (633, 26796), (638, 26586), (693, 24476), (812, 20889), (844, 20097), (924, 18357), (957, 17724), (1044, 16247), (1218, 13926), (1266, 13398), (1276, 13293), (1386, 12238), (1477, 11484), (1827, 9284), (1899, 8932), (1914, 8862), (2233, 7596), (2321, 7308), (2436, 6963), (2532, 6699), (2772, 6119), (2871, 5908), (2954, 5742), (3654, 4642), (3798, 4466), (3828, 4431)]