19804004793

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{13679}}^1$

素因数の和:13803

約数の個数: 48

約数和(自身を含む): 31075488000

約数和(自身を除く): 11271483207

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 783, 1161, 1247, 1849, 3741, 5547, 11223, 13679, 16641, 33669, 41037, 49923, 53621, 123111, 160863, 369333, 396691, 482589, 588197, 1190073, 1447767, 1764591, 3570219, 5293773, 10710657, 15881319, 17057713, 25292471, 51173139, 75877413, 153519417, 227632239, 460558251, 682896717, 733481659, 2200444977, 6601334931, 19804004793]

約数ペア:

[(1, 19804004793), (3, 6601334931), (9, 2200444977), (27, 733481659), (29, 682896717), (43, 460558251), (87, 227632239), (129, 153519417), (261, 75877413), (387, 51173139), (783, 25292471), (1161, 17057713), (1247, 15881319), (1849, 10710657), (3741, 5293773), (5547, 3570219), (11223, 1764591), (13679, 1447767), (16641, 1190073), (33669, 588197), (41037, 482589), (49923, 396691), (53621, 369333), (123111, 160863)]