13890938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21503}}^1$

素因数の和:21541

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 9333382

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 21503, 43006, 365551, 408557, 731102, 817114, 6945469, 13890938]

約数ペア:

[(1, 13890938), (2, 6945469), (17, 817114), (19, 731102), (34, 408557), (38, 365551), (323, 43006), (646, 21503)]