18864963

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 30070560

約数和(自身を除く): 11205597

約数列:

[1, 3, 9, 13, 39, 79, 117, 157, 169, 237, 471, 507, 711, 1027, 1413, 1521, 2041, 3081, 6123, 9243, 12403, 13351, 18369, 26533, 37209, 40053, 79599, 111627, 120159, 161239, 238797, 483717, 1451151, 2096107, 6288321, 18864963]

約数ペア:

[(1, 18864963), (3, 6288321), (9, 2096107), (13, 1451151), (39, 483717), (79, 238797), (117, 161239), (157, 120159), (169, 111627), (237, 79599), (471, 40053), (507, 37209), (711, 26533), (1027, 18369), (1413, 13351), (1521, 12403), (2041, 9243), (3081, 6123)]