19702490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5039}}^1$

素因数の和:5086

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19488550

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5039, 10078, 25195, 50390, 85663, 115897, 171326, 231794, 428315, 579485, 856630, 1158970, 1970249, 3940498, 9851245, 19702490]

約数ペア:

[(1, 19702490), (2, 9851245), (5, 3940498), (10, 1970249), (17, 1158970), (23, 856630), (34, 579485), (46, 428315), (85, 231794), (115, 171326), (170, 115897), (230, 85663), (391, 50390), (782, 25195), (1955, 10078), (3910, 5039)]