19519887475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4175377}}^1$

素因数の和:4175415

約数の個数: 24

約数和(自身を含む): 27958331088

約数和(自身を除く): 8438443613

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 4175377, 20876885, 45929147, 70981409, 104384425, 229645735, 354907045, 780795499, 1148228675, 1774535225, 3903977495, 19519887475]

約数ペア:

[(1, 19519887475), (5, 3903977495), (11, 1774535225), (17, 1148228675), (25, 780795499), (55, 354907045), (85, 229645735), (187, 104384425), (275, 70981409), (425, 45929147), (935, 20876885), (4675, 4175377)]