18808700

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1481}}^1$

素因数の和:1622

約数の個数: 36

約数和(自身を含む): 41164032

約数和(自身を除く): 22355332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 1481, 2540, 2962, 3175, 5924, 6350, 7405, 12700, 14810, 29620, 37025, 74050, 148100, 188087, 376174, 752348, 940435, 1880870, 3761740, 4702175, 9404350, 18808700]

約数ペア:

[(1, 18808700), (2, 9404350), (4, 4702175), (5, 3761740), (10, 1880870), (20, 940435), (25, 752348), (50, 376174), (100, 188087), (127, 148100), (254, 74050), (508, 37025), (635, 29620), (1270, 14810), (1481, 12700), (2540, 7405), (2962, 6350), (3175, 5924)]