19933837

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 26134272

約数和(自身を除く): 6200435

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1193, 1519, 2387, 8351, 13123, 16709, 36983, 58457, 91861, 258881, 406813, 643027, 1812167, 2847691, 19933837]

約数ペア:

[(1, 19933837), (7, 2847691), (11, 1812167), (31, 643027), (49, 406813), (77, 258881), (217, 91861), (341, 58457), (539, 36983), (1193, 16709), (1519, 13123), (2387, 8351)]