19385890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102031}}^1$

素因数の和:102057

約数の個数: 16

約数和(自身を含む): 36731520

約数和(自身を除く): 17345630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 102031, 204062, 510155, 1020310, 1938589, 3877178, 9692945, 19385890]

約数ペア:

[(1, 19385890), (2, 9692945), (5, 3877178), (10, 1938589), (19, 1020310), (38, 510155), (95, 204062), (190, 102031)]