18529371

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 34099200

約数和(自身を除く): 15569829

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 73, 79, 119, 153, 189, 219, 237, 357, 459, 511, 553, 657, 711, 1071, 1241, 1343, 1533, 1659, 1971, 2133, 3213, 3723, 4029, 4599, 4977, 5767, 8687, 9401, 11169, 12087, 13797, 14931, 17301, 26061, 28203, 33507, 36261, 40369, 51903, 78183, 84609, 98039, 121107, 155709, 234549, 253827, 294117, 363321, 686273, 882351, 1089963, 2058819, 2647053, 6176457, 18529371]

約数ペア:

[(1, 18529371), (3, 6176457), (7, 2647053), (9, 2058819), (17, 1089963), (21, 882351), (27, 686273), (51, 363321), (63, 294117), (73, 253827), (79, 234549), (119, 155709), (153, 121107), (189, 98039), (219, 84609), (237, 78183), (357, 51903), (459, 40369), (511, 36261), (553, 33507), (657, 28203), (711, 26061), (1071, 17301), (1241, 14931), (1343, 13797), (1533, 12087), (1659, 11169), (1971, 9401), (2133, 8687), (3213, 5767), (3723, 4977), (4029, 4599)]