19555960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7297}}^1$

素因数の和:7375

約数の個数: 32

約数和(自身を含む): 44663760

約数和(自身を除く): 25107800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7297, 14594, 29188, 36485, 58376, 72970, 145940, 291880, 488899, 977798, 1955596, 2444495, 3911192, 4888990, 9777980, 19555960]

約数ペア:

[(1, 19555960), (2, 9777980), (4, 4888990), (5, 3911192), (8, 2444495), (10, 1955596), (20, 977798), (40, 488899), (67, 291880), (134, 145940), (268, 72970), (335, 58376), (536, 36485), (670, 29188), (1340, 14594), (2680, 7297)]