19846360

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4637}}^1$

素因数の和:4755

約数の個数: 32

約数和(自身を含む): 45081360

約数和(自身を除く): 25235000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4637, 9274, 18548, 23185, 37096, 46370, 92740, 185480, 496159, 992318, 1984636, 2480795, 3969272, 4961590, 9923180, 19846360]

約数ペア:

[(1, 19846360), (2, 9923180), (4, 4961590), (5, 3969272), (8, 2480795), (10, 1984636), (20, 992318), (40, 496159), (107, 185480), (214, 92740), (428, 46370), (535, 37096), (856, 23185), (1070, 18548), (2140, 9274), (4280, 4637)]