19936750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4725

約数の個数: 32

約数和(自身を含む): 39525408

約数和(自身を除く): 19588658

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4691, 9382, 23455, 46910, 79747, 117275, 159494, 234550, 398735, 586375, 797470, 1172750, 1993675, 3987350, 9968375, 19936750]

約数ペア:

[(1, 19936750), (2, 9968375), (5, 3987350), (10, 1993675), (17, 1172750), (25, 797470), (34, 586375), (50, 398735), (85, 234550), (125, 159494), (170, 117275), (250, 79747), (425, 46910), (850, 23455), (2125, 9382), (4250, 4691)]