19487210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 17388310

約数列:

[1, 2, 5, 10, 23, 46, 115, 193, 230, 386, 439, 878, 965, 1930, 2195, 4390, 4439, 8878, 10097, 20194, 22195, 44390, 50485, 84727, 100970, 169454, 423635, 847270, 1948721, 3897442, 9743605, 19487210]

約数ペア:

[(1, 19487210), (2, 9743605), (5, 3897442), (10, 1948721), (23, 847270), (46, 423635), (115, 169454), (193, 100970), (230, 84727), (386, 50485), (439, 44390), (878, 22195), (965, 20194), (1930, 10097), (2195, 8878), (4390, 4439)]