1998289318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1118863}}^1$

素因数の和:1118931

約数の個数: 16

約数和(自身を含む): 3222328320

約数和(自身を除く): 1224039002

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 1118863, 2237726, 21258397, 42516794, 52586561, 105173122, 999144659, 1998289318]

約数ペア:

[(1, 1998289318), (2, 999144659), (19, 105173122), (38, 52586561), (47, 42516794), (94, 21258397), (893, 2237726), (1786, 1118863)]