19823815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15671}}^1$

素因数の和:15710

約数の個数: 16

約数和(自身を含む): 27081216

約数和(自身を除く): 7257401

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15671, 78355, 172381, 360433, 861905, 1802165, 3964763, 19823815]

約数ペア:

[(1, 19823815), (5, 3964763), (11, 1802165), (23, 861905), (55, 360433), (115, 172381), (253, 78355), (1265, 15671)]