19348600

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 45532800

約数和(自身を除く): 26184200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1087, 1780, 2174, 2225, 3560, 4348, 4450, 5435, 8696, 8900, 10870, 17800, 21740, 27175, 43480, 54350, 96743, 108700, 193486, 217400, 386972, 483715, 773944, 967430, 1934860, 2418575, 3869720, 4837150, 9674300, 19348600]

約数ペア:

[(1, 19348600), (2, 9674300), (4, 4837150), (5, 3869720), (8, 2418575), (10, 1934860), (20, 967430), (25, 773944), (40, 483715), (50, 386972), (89, 217400), (100, 193486), (178, 108700), (200, 96743), (356, 54350), (445, 43480), (712, 27175), (890, 21740), (1087, 17800), (1780, 10870), (2174, 8900), (2225, 8696), (3560, 5435), (4348, 4450)]