19712196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 43187004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 28, 36, 38, 42, 46, 57, 63, 69, 76, 84, 92, 114, 126, 133, 138, 161, 171, 179, 207, 228, 252, 266, 276, 322, 342, 358, 399, 414, 437, 483, 532, 537, 644, 684, 716, 798, 828, 874, 966, 1074, 1197, 1253, 1311, 1449, 1596, 1611, 1748, 1932, 2148, 2394, 2506, 2622, 2898, 3059, 3222, 3401, 3759, 3933, 4117, 4788, 5012, 5244, 5796, 6118, 6444, 6802, 7518, 7866, 8234, 9177, 10203, 11277, 12236, 12351, 13604, 15036, 15732, 16468, 18354, 20406, 22554, 23807, 24702, 27531, 28819, 30609, 36708, 37053, 40812, 45108, 47614, 49404, 55062, 57638, 61218, 71421, 74106, 78223, 86457, 95228, 110124, 115276, 122436, 142842, 148212, 156446, 172914, 214263, 234669, 259371, 285684, 312892, 345828, 428526, 469338, 518742, 547561, 704007, 857052, 938676, 1037484, 1095122, 1408014, 1642683, 2190244, 2816028, 3285366, 4928049, 6570732, 9856098, 19712196]

約数ペア:

[(1, 19712196), (2, 9856098), (3, 6570732), (4, 4928049), (6, 3285366), (7, 2816028), (9, 2190244), (12, 1642683), (14, 1408014), (18, 1095122), (19, 1037484), (21, 938676), (23, 857052), (28, 704007), (36, 547561), (38, 518742), (42, 469338), (46, 428526), (57, 345828), (63, 312892), (69, 285684), (76, 259371), (84, 234669), (92, 214263), (114, 172914), (126, 156446), (133, 148212), (138, 142842), (161, 122436), (171, 115276), (179, 110124), (207, 95228), (228, 86457), (252, 78223), (266, 74106), (276, 71421), (322, 61218), (342, 57638), (358, 55062), (399, 49404), (414, 47614), (437, 45108), (483, 40812), (532, 37053), (537, 36708), (644, 30609), (684, 28819), (716, 27531), (798, 24702), (828, 23807), (874, 22554), (966, 20406), (1074, 18354), (1197, 16468), (1253, 15732), (1311, 15036), (1449, 13604), (1596, 12351), (1611, 12236), (1748, 11277), (1932, 10203), (2148, 9177), (2394, 8234), (2506, 7866), (2622, 7518), (2898, 6802), (3059, 6444), (3222, 6118), (3401, 5796), (3759, 5244), (3933, 5012), (4117, 4788)]