18864828

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2039}}^1$

素因数の和:2306

約数の個数: 36

約数和(自身を含む): 47895120

約数和(自身を除く): 29030292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2039, 2313, 3084, 4078, 4626, 6117, 8156, 9252, 12234, 18351, 24468, 36702, 73404, 524023, 1048046, 1572069, 2096092, 3144138, 4716207, 6288276, 9432414, 18864828]

約数ペア:

[(1, 18864828), (2, 9432414), (3, 6288276), (4, 4716207), (6, 3144138), (9, 2096092), (12, 1572069), (18, 1048046), (36, 524023), (257, 73404), (514, 36702), (771, 24468), (1028, 18351), (1542, 12234), (2039, 9252), (2313, 8156), (3084, 6117), (4078, 4626)]