19925465

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 8863015

約数列:

[1, 5, 7, 29, 35, 67, 145, 203, 293, 335, 469, 1015, 1465, 1943, 2051, 2345, 8497, 9715, 10255, 13601, 19631, 42485, 59479, 68005, 98155, 137417, 297395, 569299, 687085, 2846495, 3985093, 19925465]

約数ペア:

[(1, 19925465), (5, 3985093), (7, 2846495), (29, 687085), (35, 569299), (67, 297395), (145, 137417), (203, 98155), (293, 68005), (335, 59479), (469, 42485), (1015, 19631), (1465, 13601), (1943, 10255), (2051, 9715), (2345, 8497)]