18393767

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 23529600

約数和(自身を除く): 5135833

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 859, 931, 1127, 3059, 6013, 16321, 19757, 21413, 42091, 114247, 138299, 375383, 799729, 968093, 2627681, 18393767]

約数ペア:

[(1, 18393767), (7, 2627681), (19, 968093), (23, 799729), (49, 375383), (133, 138299), (161, 114247), (437, 42091), (859, 21413), (931, 19757), (1127, 16321), (3059, 6013)]