19143729

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 12536271

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1499, 4257, 4497, 12771, 13491, 16489, 40473, 49467, 64457, 148401, 193371, 445203, 580113, 709027, 1740339, 2127081, 6381243, 19143729]

約数ペア:

[(1, 19143729), (3, 6381243), (9, 2127081), (11, 1740339), (27, 709027), (33, 580113), (43, 445203), (99, 193371), (129, 148401), (297, 64457), (387, 49467), (473, 40473), (1161, 16489), (1419, 13491), (1499, 12771), (4257, 4497)]