19519479

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 35443200

約数和(自身を除く): 15923721

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 709, 1197, 1311, 1449, 2127, 3059, 3933, 4963, 6381, 9177, 13471, 14889, 16307, 27531, 40413, 44667, 48921, 94297, 114149, 121239, 146763, 282891, 309833, 342447, 848673, 929499, 1027341, 2168831, 2788497, 6506493, 19519479]

約数ペア:

[(1, 19519479), (3, 6506493), (7, 2788497), (9, 2168831), (19, 1027341), (21, 929499), (23, 848673), (57, 342447), (63, 309833), (69, 282891), (133, 146763), (161, 121239), (171, 114149), (207, 94297), (399, 48921), (437, 44667), (483, 40413), (709, 27531), (1197, 16307), (1311, 14889), (1449, 13471), (2127, 9177), (3059, 6381), (3933, 4963)]