17972514

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 29201886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 71, 82, 98, 123, 126, 142, 147, 213, 246, 287, 294, 343, 369, 426, 441, 497, 574, 639, 686, 738, 861, 882, 994, 1029, 1278, 1491, 1722, 2009, 2058, 2583, 2911, 2982, 3087, 3479, 4018, 4473, 5166, 5822, 6027, 6174, 6958, 8733, 8946, 10437, 12054, 14063, 17466, 18081, 20377, 20874, 24353, 26199, 28126, 31311, 36162, 40754, 42189, 48706, 52398, 61131, 62622, 73059, 84378, 122262, 126567, 142639, 146118, 183393, 219177, 253134, 285278, 366786, 427917, 438354, 855834, 998473, 1283751, 1996946, 2567502, 2995419, 5990838, 8986257, 17972514]

約数ペア:

[(1, 17972514), (2, 8986257), (3, 5990838), (6, 2995419), (7, 2567502), (9, 1996946), (14, 1283751), (18, 998473), (21, 855834), (41, 438354), (42, 427917), (49, 366786), (63, 285278), (71, 253134), (82, 219177), (98, 183393), (123, 146118), (126, 142639), (142, 126567), (147, 122262), (213, 84378), (246, 73059), (287, 62622), (294, 61131), (343, 52398), (369, 48706), (426, 42189), (441, 40754), (497, 36162), (574, 31311), (639, 28126), (686, 26199), (738, 24353), (861, 20874), (882, 20377), (994, 18081), (1029, 17466), (1278, 14063), (1491, 12054), (1722, 10437), (2009, 8946), (2058, 8733), (2583, 6958), (2911, 6174), (2982, 6027), (3087, 5822), (3479, 5166), (4018, 4473)]