18495657

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 28080000

約数和(自身を除く): 9584343

約数列:

[1, 3, 9, 23, 69, 199, 207, 449, 597, 1347, 1791, 4041, 4577, 10327, 13731, 30981, 41193, 89351, 92943, 268053, 804159, 2055073, 6165219, 18495657]

約数ペア:

[(1, 18495657), (3, 6165219), (9, 2055073), (23, 804159), (69, 268053), (199, 92943), (207, 89351), (449, 41193), (597, 30981), (1347, 13731), (1791, 10327), (4041, 4577)]