19516329

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3378

約数の個数: 32

約数和(自身を含む): 34119680

約数和(自身を除く): 14603351

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3331, 5859, 9993, 23317, 29979, 69951, 89937, 103261, 209853, 309783, 629559, 722827, 929349, 2168481, 2788047, 6505443, 19516329]

約数ペア:

[(1, 19516329), (3, 6505443), (7, 2788047), (9, 2168481), (21, 929349), (27, 722827), (31, 629559), (63, 309783), (93, 209853), (189, 103261), (217, 89937), (279, 69951), (651, 29979), (837, 23317), (1953, 9993), (3331, 5859)]