18813613

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2716

約数の個数: 16

約数和(自身を含む): 23457280

約数和(自身を除く): 4643667

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2617, 7189, 18319, 34021, 206743, 238147, 1447201, 2687659, 18813613]

約数ペア:

[(1, 18813613), (7, 2687659), (13, 1447201), (79, 238147), (91, 206743), (553, 34021), (1027, 18319), (2617, 7189)]