218139318

素因数分解:

$2^1\times 3^4\times {\mathrm{1346539}}^1$

素因数の和:1346553

約数の個数: 20

約数和(自身を含む): 488794020

約数和(自身を除く): 270654702

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1346539, 2693078, 4039617, 8079234, 12118851, 24237702, 36356553, 72713106, 109069659, 218139318]

約数ペア:

[(1, 218139318), (2, 109069659), (3, 72713106), (6, 36356553), (9, 24237702), (18, 12118851), (27, 8079234), (54, 4039617), (81, 2693078), (162, 1346539)]