19694313

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 31259520

約数和(自身を除く): 11565207

約数列:

[1, 3, 9, 17, 27, 51, 107, 153, 321, 401, 459, 963, 1203, 1819, 2889, 3609, 5457, 6817, 10827, 16371, 20451, 42907, 49113, 61353, 128721, 184059, 386163, 729419, 1158489, 2188257, 6564771, 19694313]

約数ペア:

[(1, 19694313), (3, 6564771), (9, 2188257), (17, 1158489), (27, 729419), (51, 386163), (107, 184059), (153, 128721), (321, 61353), (401, 49113), (459, 42907), (963, 20451), (1203, 16371), (1819, 10827), (2889, 6817), (3609, 5457)]