38618940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643649}}^1$

素因数の和:643661

約数の個数: 24

約数和(自身を含む): 108133200

約数和(自身を除く): 69514260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643649, 1287298, 1930947, 2574596, 3218245, 3861894, 6436490, 7723788, 9654735, 12872980, 19309470, 38618940]

約数ペア:

[(1, 38618940), (2, 19309470), (3, 12872980), (4, 9654735), (5, 7723788), (6, 6436490), (10, 3861894), (12, 3218245), (15, 2574596), (20, 1930947), (30, 1287298), (60, 643649)]