18343665

素因数分解:

$3^4\times 5^1\times {\mathrm{45293}}^1$

素因数の和:45310

約数の個数: 20

約数和(自身を含む): 32883444

約数和(自身を除く): 14539779

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45293, 135879, 226465, 407637, 679395, 1222911, 2038185, 3668733, 6114555, 18343665]

約数ペア:

[(1, 18343665), (3, 6114555), (5, 3668733), (9, 2038185), (15, 1222911), (27, 679395), (45, 407637), (81, 226465), (135, 135879), (405, 45293)]