2561992490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13484171}}^1$

素因数の和:13484197

約数の個数: 16

約数和(自身を含む): 4854301920

約数和(自身を除く): 2292309430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 13484171, 26968342, 67420855, 134841710, 256199249, 512398498, 1280996245, 2561992490]

約数ペア:

[(1, 2561992490), (2, 1280996245), (5, 512398498), (10, 256199249), (19, 134841710), (38, 67420855), (95, 26968342), (190, 13484171)]