19818666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157291}}^1$

素因数の和:157306

約数の個数: 24

約数和(自身を含む): 49075104

約数和(自身を除く): 29256438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157291, 314582, 471873, 943746, 1101037, 1415619, 2202074, 2831238, 3303111, 6606222, 9909333, 19818666]

約数ペア:

[(1, 19818666), (2, 9909333), (3, 6606222), (6, 3303111), (7, 2831238), (9, 2202074), (14, 1415619), (18, 1101037), (21, 943746), (42, 471873), (63, 314582), (126, 157291)]