19480025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 25336920

約数和(自身を除く): 5856895

約数列:

[1, 5, 25, 29, 97, 145, 277, 485, 725, 1385, 2425, 2813, 6925, 8033, 14065, 26869, 40165, 70325, 134345, 200825, 671725, 779201, 3896005, 19480025]

約数ペア:

[(1, 19480025), (5, 3896005), (25, 779201), (29, 671725), (97, 200825), (145, 134345), (277, 70325), (485, 40165), (725, 26869), (1385, 14065), (2425, 8033), (2813, 6925)]