1978020004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{553757}}^1$

素因数の和:553827

約数の個数: 24

約数和(自身を含む): 3721253760

約数和(自身を除く): 1743233756

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 553757, 1107514, 2215028, 10521383, 21042766, 26026579, 42085532, 52053158, 104106316, 494505001, 989010002, 1978020004]

約数ペア:

[(1, 1978020004), (2, 989010002), (4, 494505001), (19, 104106316), (38, 52053158), (47, 42085532), (76, 26026579), (94, 21042766), (188, 10521383), (893, 2215028), (1786, 1107514), (3572, 553757)]