18402189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 27359136

約数和(自身を除く): 8956947

約数列:

[1, 3, 13, 31, 39, 93, 403, 491, 961, 1209, 1473, 2883, 6383, 12493, 15221, 19149, 37479, 45663, 197873, 471851, 593619, 1415553, 6134063, 18402189]

約数ペア:

[(1, 18402189), (3, 6134063), (13, 1415553), (31, 593619), (39, 471851), (93, 197873), (403, 45663), (491, 37479), (961, 19149), (1209, 15221), (1473, 12493), (2883, 6383)]