19647243

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28351}}^1$

素因数の和:28375

約数の個数: 24

約数和(自身を含む): 35383296

約数和(自身を除く): 15736053

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28351, 85053, 198457, 255159, 311861, 595371, 935583, 1786113, 2183027, 2806749, 6549081, 19647243]

約数ペア:

[(1, 19647243), (3, 6549081), (7, 2806749), (9, 2183027), (11, 1786113), (21, 935583), (33, 595371), (63, 311861), (77, 255159), (99, 198457), (231, 85053), (693, 28351)]