189009488

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{108377}}^1$

素因数の和:108494

約数の個数: 20

約数和(自身を含む): 369568980

約数和(自身を除く): 180559492

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 108377, 216754, 433508, 867016, 1734032, 11813093, 23626186, 47252372, 94504744, 189009488]

約数ペア:

[(1, 189009488), (2, 94504744), (4, 47252372), (8, 23626186), (16, 11813093), (109, 1734032), (218, 867016), (436, 433508), (872, 216754), (1744, 108377)]