19164620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4297}}^1$

素因数の和:4529

約数の個数: 24

約数和(自身を含む): 40435584

約数和(自身を除く): 21270964

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4297, 4460, 8594, 17188, 21485, 42970, 85940, 958231, 1916462, 3832924, 4791155, 9582310, 19164620]

約数ペア:

[(1, 19164620), (2, 9582310), (4, 4791155), (5, 3832924), (10, 1916462), (20, 958231), (223, 85940), (446, 42970), (892, 21485), (1115, 17188), (2230, 8594), (4297, 4460)]