18512745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3821}}^1$

素因数の和:3865

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 14509335

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 3821, 4845, 11463, 19105, 57315, 64957, 72599, 194871, 217797, 324785, 362995, 974355, 1088985, 1234183, 3702549, 6170915, 18512745]

約数ペア:

[(1, 18512745), (3, 6170915), (5, 3702549), (15, 1234183), (17, 1088985), (19, 974355), (51, 362995), (57, 324785), (85, 217797), (95, 194871), (255, 72599), (285, 64957), (323, 57315), (969, 19105), (1615, 11463), (3821, 4845)]