19026520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20681}}^1$

素因数の和:20715

約数の個数: 32

約数和(自身を含む): 44673120

約数和(自身を除く): 25646600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20681, 41362, 82724, 103405, 165448, 206810, 413620, 475663, 827240, 951326, 1902652, 2378315, 3805304, 4756630, 9513260, 19026520]

約数ペア:

[(1, 19026520), (2, 9513260), (4, 4756630), (5, 3805304), (8, 2378315), (10, 1902652), (20, 951326), (23, 827240), (40, 475663), (46, 413620), (92, 206810), (115, 165448), (184, 103405), (230, 82724), (460, 41362), (920, 20681)]