19054900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2244

約数の個数: 36

約数和(自身を含む): 41833260

約数和(自身を除く): 22778360

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2141, 2225, 4282, 4450, 8564, 8900, 10705, 21410, 42820, 53525, 107050, 190549, 214100, 381098, 762196, 952745, 1905490, 3810980, 4763725, 9527450, 19054900]

約数ペア:

[(1, 19054900), (2, 9527450), (4, 4763725), (5, 3810980), (10, 1905490), (20, 952745), (25, 762196), (50, 381098), (89, 214100), (100, 190549), (178, 107050), (356, 53525), (445, 42820), (890, 21410), (1780, 10705), (2141, 8900), (2225, 8564), (4282, 4450)]