18913128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{4663}}^1$

素因数の和:4698

約数の個数: 48

約数和(自身を含む): 51210720

約数和(自身を除く): 32297592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 4663, 9326, 13989, 18652, 27978, 37304, 55956, 60619, 111912, 121238, 181857, 242476, 363714, 484952, 727428, 788047, 1454856, 1576094, 2364141, 3152188, 4728282, 6304376, 9456564, 18913128]

約数ペア:

[(1, 18913128), (2, 9456564), (3, 6304376), (4, 4728282), (6, 3152188), (8, 2364141), (12, 1576094), (13, 1454856), (24, 788047), (26, 727428), (39, 484952), (52, 363714), (78, 242476), (104, 181857), (156, 121238), (169, 111912), (312, 60619), (338, 55956), (507, 37304), (676, 27978), (1014, 18652), (1352, 13989), (2028, 9326), (4056, 4663)]