18994248

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 63947520

約数和(自身を除く): 44953272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 169, 182, 223, 234, 252, 273, 312, 338, 364, 446, 468, 504, 507, 546, 669, 676, 728, 819, 892, 936, 1014, 1092, 1183, 1338, 1352, 1521, 1561, 1638, 1784, 2007, 2028, 2184, 2366, 2676, 2899, 3042, 3122, 3276, 3549, 4014, 4056, 4683, 4732, 5352, 5798, 6084, 6244, 6552, 7098, 8028, 8697, 9366, 9464, 10647, 11596, 12168, 12488, 14049, 14196, 16056, 17394, 18732, 20293, 21294, 23192, 26091, 28098, 28392, 34788, 37464, 37687, 40586, 42588, 52182, 56196, 60879, 69576, 75374, 81172, 85176, 104364, 112392, 113061, 121758, 150748, 162344, 182637, 208728, 226122, 243516, 263809, 301496, 339183, 365274, 452244, 487032, 527618, 678366, 730548, 791427, 904488, 1055236, 1356732, 1461096, 1582854, 2110472, 2374281, 2713464, 3165708, 4748562, 6331416, 9497124, 18994248]

約数ペア:

[(1, 18994248), (2, 9497124), (3, 6331416), (4, 4748562), (6, 3165708), (7, 2713464), (8, 2374281), (9, 2110472), (12, 1582854), (13, 1461096), (14, 1356732), (18, 1055236), (21, 904488), (24, 791427), (26, 730548), (28, 678366), (36, 527618), (39, 487032), (42, 452244), (52, 365274), (56, 339183), (63, 301496), (72, 263809), (78, 243516), (84, 226122), (91, 208728), (104, 182637), (117, 162344), (126, 150748), (156, 121758), (168, 113061), (169, 112392), (182, 104364), (223, 85176), (234, 81172), (252, 75374), (273, 69576), (312, 60879), (338, 56196), (364, 52182), (446, 42588), (468, 40586), (504, 37687), (507, 37464), (546, 34788), (669, 28392), (676, 28098), (728, 26091), (819, 23192), (892, 21294), (936, 20293), (1014, 18732), (1092, 17394), (1183, 16056), (1338, 14196), (1352, 14049), (1521, 12488), (1561, 12168), (1638, 11596), (1784, 10647), (2007, 9464), (2028, 9366), (2184, 8697), (2366, 8028), (2676, 7098), (2899, 6552), (3042, 6244), (3122, 6084), (3276, 5798), (3549, 5352), (4014, 4732), (4056, 4683)]