19102105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 26345088

約数和(自身を除く): 7242983

約数列:

[1, 5, 11, 41, 43, 55, 197, 205, 215, 451, 473, 985, 1763, 2167, 2255, 2365, 8077, 8471, 8815, 10835, 19393, 40385, 42355, 88847, 93181, 96965, 347311, 444235, 465905, 1736555, 3820421, 19102105]

約数ペア:

[(1, 19102105), (5, 3820421), (11, 1736555), (41, 465905), (43, 444235), (55, 347311), (197, 96965), (205, 93181), (215, 88847), (451, 42355), (473, 40385), (985, 19393), (1763, 10835), (2167, 8815), (2255, 8471), (2365, 8077)]