20180871388

素因数分解:

$2^2\times {\mathrm{26821}}^1\times {\mathrm{188107}}^1$

素因数の和:214932

約数の個数: 12

約数和(自身を含む): 35318029432

約数和(自身を除く): 15137158044

約数列:

[1, 2, 4, 26821, 53642, 107284, 188107, 376214, 752428, 5045217847, 10090435694, 20180871388]

約数ペア:

[(1, 20180871388), (2, 10090435694), (4, 5045217847), (26821, 752428), (53642, 376214), (107284, 188107)]