18808970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{110641}}^1$

素因数の和:110665

約数の個数: 16

約数和(自身を含む): 35848008

約数和(自身を除く): 17039038

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 110641, 221282, 553205, 1106410, 1880897, 3761794, 9404485, 18808970]

約数ペア:

[(1, 18808970), (2, 9404485), (5, 3761794), (10, 1880897), (17, 1106410), (34, 553205), (85, 221282), (170, 110641)]