19278063

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9915

約数の個数: 24

約数和(自身を含む): 32854016

約数和(自身を除く): 13575953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9871, 29613, 69097, 88839, 207291, 306001, 621873, 918003, 2142007, 2754009, 6426021, 19278063]

約数ペア:

[(1, 19278063), (3, 6426021), (7, 2754009), (9, 2142007), (21, 918003), (31, 621873), (63, 306001), (93, 207291), (217, 88839), (279, 69097), (651, 29613), (1953, 9871)]