19635993

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 32081280

約数和(自身を除く): 12445287

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1301, 1677, 3903, 5031, 11709, 15093, 16913, 35127, 50739, 55943, 152217, 167829, 456651, 503487, 727259, 1510461, 2181777, 6545331, 19635993]

約数ペア:

[(1, 19635993), (3, 6545331), (9, 2181777), (13, 1510461), (27, 727259), (39, 503487), (43, 456651), (117, 167829), (129, 152217), (351, 55943), (387, 50739), (559, 35127), (1161, 16913), (1301, 15093), (1677, 11709), (3903, 5031)]