19229517

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 28920320

約数和(自身を除く): 9690803

約数列:

[1, 3, 9, 31, 93, 157, 279, 439, 471, 1317, 1413, 3951, 4867, 13609, 14601, 40827, 43803, 68923, 122481, 206769, 620307, 2136613, 6409839, 19229517]

約数ペア:

[(1, 19229517), (3, 6409839), (9, 2136613), (31, 620307), (93, 206769), (157, 122481), (279, 68923), (439, 43803), (471, 40827), (1317, 14601), (1413, 13609), (3951, 4867)]