19383760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22027}}^1$

素因数の和:22051

約数の個数: 40

約数和(自身を含む): 49166496

約数和(自身を除く): 29782736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22027, 44054, 88108, 110135, 176216, 220270, 242297, 352432, 440540, 484594, 881080, 969188, 1211485, 1762160, 1938376, 2422970, 3876752, 4845940, 9691880, 19383760]

約数ペア:

[(1, 19383760), (2, 9691880), (4, 4845940), (5, 3876752), (8, 2422970), (10, 1938376), (11, 1762160), (16, 1211485), (20, 969188), (22, 881080), (40, 484594), (44, 440540), (55, 352432), (80, 242297), (88, 220270), (110, 176216), (176, 110135), (220, 88108), (440, 44054), (880, 22027)]