19950147

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2017}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 33159776

約数和(自身を除く): 13209629

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 2017, 3297, 6051, 9891, 14119, 18153, 42357, 127071, 316669, 950007, 2216683, 2850021, 6650049, 19950147]

約数ペア:

[(1, 19950147), (3, 6650049), (7, 2850021), (9, 2216683), (21, 950007), (63, 316669), (157, 127071), (471, 42357), (1099, 18153), (1413, 14119), (2017, 9891), (3297, 6051)]