18991836

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{22937}}^1$

素因数の和:22970

約数の個数: 36

約数和(自身を含む): 50096592

約数和(自身を除く): 31104756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 22937, 45874, 68811, 91748, 137622, 206433, 275244, 412866, 527551, 825732, 1055102, 1582653, 2110204, 3165306, 4747959, 6330612, 9495918, 18991836]

約数ペア:

[(1, 18991836), (2, 9495918), (3, 6330612), (4, 4747959), (6, 3165306), (9, 2110204), (12, 1582653), (18, 1055102), (23, 825732), (36, 527551), (46, 412866), (69, 275244), (92, 206433), (138, 137622), (207, 91748), (276, 68811), (414, 45874), (828, 22937)]