19688508

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{8681}}^1$

素因数の和:8704

約数の個数: 60

約数和(自身を含む): 58829232

約数和(自身を除く): 39140724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 8681, 17362, 26043, 34724, 52086, 60767, 78129, 104172, 121534, 156258, 182301, 234387, 243068, 312516, 364602, 468774, 546903, 703161, 729204, 937548, 1093806, 1406322, 1640709, 2187612, 2812644, 3281418, 4922127, 6562836, 9844254, 19688508]

約数ペア:

[(1, 19688508), (2, 9844254), (3, 6562836), (4, 4922127), (6, 3281418), (7, 2812644), (9, 2187612), (12, 1640709), (14, 1406322), (18, 1093806), (21, 937548), (27, 729204), (28, 703161), (36, 546903), (42, 468774), (54, 364602), (63, 312516), (81, 243068), (84, 234387), (108, 182301), (126, 156258), (162, 121534), (189, 104172), (252, 78129), (324, 60767), (378, 52086), (567, 34724), (756, 26043), (1134, 17362), (2268, 8681)]