18954729

素因数分解:

$3^{11}\times {\mathrm{107}}^1$

素因数の和:140

約数の個数: 24

約数和(自身を含む): 28697760

約数和(自身を除く): 9743031

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 729, 963, 2187, 2889, 6561, 8667, 19683, 26001, 59049, 78003, 177147, 234009, 702027, 2106081, 6318243, 18954729]

約数ペア:

[(1, 18954729), (3, 6318243), (9, 2106081), (27, 702027), (81, 234009), (107, 177147), (243, 78003), (321, 59049), (729, 26001), (963, 19683), (2187, 8667), (2889, 6561)]