18794853

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 34809216

約数和(自身を除く): 16014363

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 733, 777, 1221, 2199, 2331, 2849, 3663, 5131, 6597, 8063, 8547, 15393, 24189, 25641, 27121, 46179, 56441, 72567, 81363, 169323, 189847, 244089, 298331, 507969, 569541, 894993, 1708623, 2088317, 2684979, 6264951, 18794853]

約数ペア:

[(1, 18794853), (3, 6264951), (7, 2684979), (9, 2088317), (11, 1708623), (21, 894993), (33, 569541), (37, 507969), (63, 298331), (77, 244089), (99, 189847), (111, 169323), (231, 81363), (259, 72567), (333, 56441), (407, 46179), (693, 27121), (733, 25641), (777, 24189), (1221, 15393), (2199, 8547), (2331, 8063), (2849, 6597), (3663, 5131)]