18948657

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 32112640

約数和(自身を除く): 13163983

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2239, 2821, 6717, 8463, 15673, 29107, 47019, 69409, 87321, 203749, 208227, 485863, 611247, 902317, 1457589, 2706951, 6316219, 18948657]

約数ペア:

[(1, 18948657), (3, 6316219), (7, 2706951), (13, 1457589), (21, 902317), (31, 611247), (39, 485863), (91, 208227), (93, 203749), (217, 87321), (273, 69409), (403, 47019), (651, 29107), (1209, 15673), (2239, 8463), (2821, 6717)]