19391427

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 12288573

約数列:

[1, 3, 9, 11, 27, 33, 99, 109, 297, 327, 599, 981, 1199, 1797, 2943, 3597, 5391, 6589, 10791, 16173, 19767, 32373, 59301, 65291, 177903, 195873, 587619, 718201, 1762857, 2154603, 6463809, 19391427]

約数ペア:

[(1, 19391427), (3, 6463809), (9, 2154603), (11, 1762857), (27, 718201), (33, 587619), (99, 195873), (109, 177903), (297, 65291), (327, 59301), (599, 32373), (981, 19767), (1199, 16173), (1797, 10791), (2943, 6589), (3597, 5391)]