19684197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2027}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 31004064

約数和(自身を除く): 11319867

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2027, 3237, 6081, 9711, 18243, 26351, 79053, 168241, 237159, 504723, 1514169, 2187133, 6561399, 19684197]

約数ペア:

[(1, 19684197), (3, 6561399), (9, 2187133), (13, 1514169), (39, 504723), (83, 237159), (117, 168241), (249, 79053), (747, 26351), (1079, 18243), (2027, 9711), (3237, 6081)]