19870428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{87151}}^1$

素因数の和:87177

約数の個数: 24

約数和(自身を含む): 48805120

約数和(自身を除く): 28934692

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 87151, 174302, 261453, 348604, 522906, 1045812, 1655869, 3311738, 4967607, 6623476, 9935214, 19870428]

約数ペア:

[(1, 19870428), (2, 9935214), (3, 6623476), (4, 4967607), (6, 3311738), (12, 1655869), (19, 1045812), (38, 522906), (57, 348604), (76, 261453), (114, 174302), (228, 87151)]