18103419

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13147}}^1$

素因数の和:13176

約数の個数: 20

約数和(自身を含む): 28636344

約数和(自身を除く): 10532925

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13147, 39441, 118323, 223499, 354969, 670497, 1064907, 2011491, 6034473, 18103419]

約数ペア:

[(1, 18103419), (3, 6034473), (9, 2011491), (17, 1064907), (27, 670497), (51, 354969), (81, 223499), (153, 118323), (459, 39441), (1377, 13147)]