18482425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 26717040

約数和(自身を除く): 8234615

約数列:

[1, 5, 13, 25, 29, 37, 53, 65, 145, 185, 265, 325, 377, 481, 689, 725, 925, 1073, 1325, 1537, 1885, 1961, 2405, 3445, 5365, 7685, 9425, 9805, 12025, 13949, 17225, 19981, 25493, 26825, 38425, 49025, 56869, 69745, 99905, 127465, 284345, 348725, 499525, 637325, 739297, 1421725, 3696485, 18482425]

約数ペア:

[(1, 18482425), (5, 3696485), (13, 1421725), (25, 739297), (29, 637325), (37, 499525), (53, 348725), (65, 284345), (145, 127465), (185, 99905), (265, 69745), (325, 56869), (377, 49025), (481, 38425), (689, 26825), (725, 25493), (925, 19981), (1073, 17225), (1325, 13949), (1537, 12025), (1885, 9805), (1961, 9425), (2405, 7685), (3445, 5365)]