18657933

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{30637}}^1$

素因数の和:30676

約数の個数: 16

約数和(自身を含む): 29412480

約数和(自身を除く): 10754547

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 30637, 91911, 214459, 643377, 888473, 2665419, 6219311, 18657933]

約数ペア:

[(1, 18657933), (3, 6219311), (7, 2665419), (21, 888473), (29, 643377), (87, 214459), (203, 91911), (609, 30637)]