19441400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8837}}^1$

素因数の和:8864

約数の個数: 48

約数和(自身を含む): 49316040

約数和(自身を除く): 29874640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 8837, 17674, 35348, 44185, 70696, 88370, 97207, 176740, 194414, 220925, 353480, 388828, 441850, 486035, 777656, 883700, 972070, 1767400, 1944140, 2430175, 3888280, 4860350, 9720700, 19441400]

約数ペア:

[(1, 19441400), (2, 9720700), (4, 4860350), (5, 3888280), (8, 2430175), (10, 1944140), (11, 1767400), (20, 972070), (22, 883700), (25, 777656), (40, 486035), (44, 441850), (50, 388828), (55, 353480), (88, 220925), (100, 194414), (110, 176740), (200, 97207), (220, 88370), (275, 70696), (440, 44185), (550, 35348), (1100, 17674), (2200, 8837)]