19094480

素因数分解:

$2^4\times 5^1\times {\mathrm{238681}}^1$

素因数の和:238694

約数の個数: 20

約数和(自身を含む): 44394852

約数和(自身を除く): 25300372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238681, 477362, 954724, 1193405, 1909448, 2386810, 3818896, 4773620, 9547240, 19094480]

約数ペア:

[(1, 19094480), (2, 9547240), (4, 4773620), (5, 3818896), (8, 2386810), (10, 1909448), (16, 1193405), (20, 954724), (40, 477362), (80, 238681)]