19317815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15271}}^1$

素因数の和:15310

約数の個数: 16

約数和(自身を含む): 26390016

約数和(自身を除く): 7072201

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15271, 76355, 167981, 351233, 839905, 1756165, 3863563, 19317815]

約数ペア:

[(1, 19317815), (5, 3863563), (11, 1756165), (23, 839905), (55, 351233), (115, 167981), (253, 76355), (1265, 15271)]