18991224

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{769}}^1$

素因数の和:802

約数の個数: 96

約数和(自身を含む): 60060000

約数和(自身を除く): 41068776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 769, 882, 1029, 1176, 1372, 1538, 1764, 2058, 2307, 2744, 3076, 3087, 3528, 4116, 4614, 5383, 6152, 6174, 6921, 8232, 9228, 10766, 12348, 13842, 16149, 18456, 21532, 24696, 27684, 32298, 37681, 43064, 48447, 55368, 64596, 75362, 96894, 113043, 129192, 150724, 193788, 226086, 263767, 301448, 339129, 387576, 452172, 527534, 678258, 791301, 904344, 1055068, 1356516, 1582602, 2110136, 2373903, 2713032, 3165204, 4747806, 6330408, 9495612, 18991224]

約数ペア:

[(1, 18991224), (2, 9495612), (3, 6330408), (4, 4747806), (6, 3165204), (7, 2713032), (8, 2373903), (9, 2110136), (12, 1582602), (14, 1356516), (18, 1055068), (21, 904344), (24, 791301), (28, 678258), (36, 527534), (42, 452172), (49, 387576), (56, 339129), (63, 301448), (72, 263767), (84, 226086), (98, 193788), (126, 150724), (147, 129192), (168, 113043), (196, 96894), (252, 75362), (294, 64596), (343, 55368), (392, 48447), (441, 43064), (504, 37681), (588, 32298), (686, 27684), (769, 24696), (882, 21532), (1029, 18456), (1176, 16149), (1372, 13842), (1538, 12348), (1764, 10766), (2058, 9228), (2307, 8232), (2744, 6921), (3076, 6174), (3087, 6152), (3528, 5383), (4116, 4614)]