19980857516

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{1249}}^1\times {\mathrm{85093}}^1$

素因数の和:86393

約数の個数: 24

約数和(自身を含む): 35739480000

約数和(自身を除く): 15758622484

約数列:

[1, 2, 4, 47, 94, 188, 1249, 2498, 4996, 58703, 85093, 117406, 170186, 234812, 340372, 3999371, 7998742, 15997484, 106281157, 212562314, 425124628, 4995214379, 9990428758, 19980857516]

約数ペア:

[(1, 19980857516), (2, 9990428758), (4, 4995214379), (47, 425124628), (94, 212562314), (188, 106281157), (1249, 15997484), (2498, 7998742), (4996, 3999371), (58703, 340372), (85093, 234812), (117406, 170186)]