18418933

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 20588400

約数和(自身を除く): 2169467

約数列:

[1, 13, 37, 149, 257, 481, 1937, 3341, 5513, 9509, 38293, 71669, 123617, 497809, 1416841, 18418933]

約数ペア:

[(1, 18418933), (13, 1416841), (37, 497809), (149, 123617), (257, 71669), (481, 38293), (1937, 9509), (3341, 5513)]