19294989

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 30744576

約数和(自身を除く): 11449587

約数列:

[1, 3, 7, 21, 31, 93, 107, 217, 277, 321, 651, 749, 831, 1939, 2247, 3317, 5817, 8587, 9951, 23219, 25761, 29639, 60109, 69657, 88917, 180327, 207473, 622419, 918809, 2756427, 6431663, 19294989]

約数ペア:

[(1, 19294989), (3, 6431663), (7, 2756427), (21, 918809), (31, 622419), (93, 207473), (107, 180327), (217, 88917), (277, 69657), (321, 60109), (651, 29639), (749, 25761), (831, 23219), (1939, 9951), (2247, 8587), (3317, 5817)]