28823684

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19961}}^1$

素因数の和:20003

約数の個数: 18

約数和(自身を含む): 53238654

約数和(自身を除く): 24414970

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19961, 39922, 79844, 379259, 758518, 1517036, 7205921, 14411842, 28823684]

約数ペア:

[(1, 28823684), (2, 14411842), (4, 7205921), (19, 1517036), (38, 758518), (76, 379259), (361, 79844), (722, 39922), (1444, 19961)]