18778820541

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1\times {\mathrm{6793}}^1$

素因数の和:7853

約数の個数: 32

約数和(自身を含む): 27366014592

約数和(自身を除く): 8587194051

約数列:

[1, 3, 13, 39, 73, 219, 949, 971, 2847, 2913, 6793, 12623, 20379, 37869, 70883, 88309, 212649, 264927, 495889, 921479, 1487667, 2764437, 6446557, 6596003, 19339671, 19788009, 85748039, 257244117, 481508219, 1444524657, 6259606847, 18778820541]

約数ペア:

[(1, 18778820541), (3, 6259606847), (13, 1444524657), (39, 481508219), (73, 257244117), (219, 85748039), (949, 19788009), (971, 19339671), (2847, 6596003), (2913, 6446557), (6793, 2764437), (12623, 1487667), (20379, 921479), (37869, 495889), (70883, 264927), (88309, 212649)]