18711378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 29672622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 59, 63, 118, 126, 177, 189, 354, 378, 413, 531, 826, 839, 1062, 1239, 1593, 1678, 2478, 2517, 3186, 3717, 5034, 5873, 7434, 7551, 11151, 11746, 15102, 17619, 22302, 22653, 35238, 45306, 49501, 52857, 99002, 105714, 148503, 158571, 297006, 317142, 346507, 445509, 693014, 891018, 1039521, 1336527, 2079042, 2673054, 3118563, 6237126, 9355689, 18711378]

約数ペア:

[(1, 18711378), (2, 9355689), (3, 6237126), (6, 3118563), (7, 2673054), (9, 2079042), (14, 1336527), (18, 1039521), (21, 891018), (27, 693014), (42, 445509), (54, 346507), (59, 317142), (63, 297006), (118, 158571), (126, 148503), (177, 105714), (189, 99002), (354, 52857), (378, 49501), (413, 45306), (531, 35238), (826, 22653), (839, 22302), (1062, 17619), (1239, 15102), (1593, 11746), (1678, 11151), (2478, 7551), (2517, 7434), (3186, 5873), (3717, 5034)]