18892520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3719}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 23961880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3719, 5080, 7438, 14876, 18595, 29752, 37190, 74380, 148760, 472313, 944626, 1889252, 2361565, 3778504, 4723130, 9446260, 18892520]

約数ペア:

[(1, 18892520), (2, 9446260), (4, 4723130), (5, 3778504), (8, 2361565), (10, 1889252), (20, 944626), (40, 472313), (127, 148760), (254, 74380), (508, 37190), (635, 29752), (1016, 18595), (1270, 14876), (2540, 7438), (3719, 5080)]