19780884644

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{1951}}^1\times {\mathrm{5881}}^1$

素因数の和:8267

約数の個数: 24

約数和(自身を含む): 34720551936

約数和(自身を除く): 14939667292

約数列:

[1, 2, 4, 431, 862, 1724, 1951, 3902, 5881, 7804, 11762, 23524, 840881, 1681762, 2534711, 3363524, 5069422, 10138844, 11473831, 22947662, 45895324, 4945221161, 9890442322, 19780884644]

約数ペア:

[(1, 19780884644), (2, 9890442322), (4, 4945221161), (431, 45895324), (862, 22947662), (1724, 11473831), (1951, 10138844), (3902, 5069422), (5881, 3363524), (7804, 2534711), (11762, 1681762), (23524, 840881)]