18423672021

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13379573}}^1$

素因数の和:13379602

約数の個数: 20

約数和(自身を含む): 29140712172

約数和(自身を除く): 10717040151

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13379573, 40138719, 120416157, 227452741, 361248471, 682358223, 1083745413, 2047074669, 6141224007, 18423672021]

約数ペア:

[(1, 18423672021), (3, 6141224007), (9, 2047074669), (17, 1083745413), (27, 682358223), (51, 361248471), (81, 227452741), (153, 120416157), (459, 40138719), (1377, 13379573)]