19497861

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 30948480

約数和(自身を除く): 11450619

約数列:

[1, 3, 9, 17, 27, 51, 107, 153, 321, 397, 459, 963, 1191, 1819, 2889, 3573, 5457, 6749, 10719, 16371, 20247, 42479, 49113, 60741, 127437, 182223, 382311, 722143, 1146933, 2166429, 6499287, 19497861]

約数ペア:

[(1, 19497861), (3, 6499287), (9, 2166429), (17, 1146933), (27, 722143), (51, 382311), (107, 182223), (153, 127437), (321, 60741), (397, 49113), (459, 42479), (963, 20247), (1191, 16371), (1819, 10719), (2889, 6749), (3573, 5457)]