19816290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16937}}^1$

素因数の和:16963

約数の個数: 48

約数和(自身を含む): 55488888

約数和(自身を除く): 35672598

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16937, 33874, 50811, 84685, 101622, 152433, 169370, 220181, 254055, 304866, 440362, 508110, 660543, 762165, 1100905, 1321086, 1524330, 1981629, 2201810, 3302715, 3963258, 6605430, 9908145, 19816290]

約数ペア:

[(1, 19816290), (2, 9908145), (3, 6605430), (5, 3963258), (6, 3302715), (9, 2201810), (10, 1981629), (13, 1524330), (15, 1321086), (18, 1100905), (26, 762165), (30, 660543), (39, 508110), (45, 440362), (65, 304866), (78, 254055), (90, 220181), (117, 169370), (130, 152433), (195, 101622), (234, 84685), (390, 50811), (585, 33874), (1170, 16937)]