19267540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23497}}^1$

素因数の和:23547

約数の個数: 24

約数和(自身を含む): 41450472

約数和(自身を除く): 22182932

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23497, 46994, 93988, 117485, 234970, 469940, 963377, 1926754, 3853508, 4816885, 9633770, 19267540]

約数ペア:

[(1, 19267540), (2, 9633770), (4, 4816885), (5, 3853508), (10, 1926754), (20, 963377), (41, 469940), (82, 234970), (164, 117485), (205, 93988), (410, 46994), (820, 23497)]