19664287

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 21415680

約数和(自身を除く): 1751393

約数列:

[1, 23, 43, 59, 337, 989, 1357, 2537, 7751, 14491, 19883, 58351, 333293, 457309, 854969, 19664287]

約数ペア:

[(1, 19664287), (23, 854969), (43, 457309), (59, 333293), (337, 58351), (989, 19883), (1357, 14491), (2537, 7751)]