19318299

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 35239680

約数和(自身を除く): 15921381

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 919, 1001, 1617, 1911, 2757, 3003, 6433, 7007, 10109, 11947, 19299, 21021, 30327, 35841, 45031, 70763, 83629, 131417, 135093, 212289, 250887, 394251, 495341, 585403, 919919, 1486023, 1756209, 2759757, 6439433, 19318299]

約数ペア:

[(1, 19318299), (3, 6439433), (7, 2759757), (11, 1756209), (13, 1486023), (21, 919919), (33, 585403), (39, 495341), (49, 394251), (77, 250887), (91, 212289), (143, 135093), (147, 131417), (231, 83629), (273, 70763), (429, 45031), (539, 35841), (637, 30327), (919, 21021), (1001, 19299), (1617, 11947), (1911, 10109), (2757, 7007), (3003, 6433)]