20128011836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{264842261}}^1$

素因数の和:264842284

約数の個数: 12

約数和(自身を含む): 37077916680

約数和(自身を除く): 16949904844

約数列:

[1, 2, 4, 19, 38, 76, 264842261, 529684522, 1059369044, 5032002959, 10064005918, 20128011836]

約数ペア:

[(1, 20128011836), (2, 10064005918), (4, 5032002959), (19, 1059369044), (38, 529684522), (76, 264842261)]