19600047

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 29521440

約数和(自身を除く): 9921393

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 829, 2487, 2627, 7461, 7881, 23643, 30673, 58859, 92019, 176577, 276057, 529731, 2177783, 6533349, 19600047]

約数ペア:

[(1, 19600047), (3, 6533349), (9, 2177783), (37, 529731), (71, 276057), (111, 176577), (213, 92019), (333, 58859), (639, 30673), (829, 23643), (2487, 7881), (2627, 7461)]