18578943

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2381}}^1$

素因数の和:2424

約数の個数: 24

約数和(自身を含む): 29250960

約数和(自身を除く): 10672017

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2381, 2601, 7143, 7803, 21429, 40477, 64287, 121431, 364293, 688109, 1092879, 2064327, 6192981, 18578943]

約数ペア:

[(1, 18578943), (3, 6192981), (9, 2064327), (17, 1092879), (27, 688109), (51, 364293), (153, 121431), (289, 64287), (459, 40477), (867, 21429), (2381, 7803), (2601, 7143)]