19315621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 3037787

約数列:

[1, 13, 17, 71, 221, 923, 1207, 1231, 15691, 16003, 20927, 87401, 272051, 1136213, 1485817, 19315621]

約数ペア:

[(1, 19315621), (13, 1485817), (17, 1136213), (71, 272051), (221, 87401), (923, 20927), (1207, 16003), (1231, 15691)]