19932081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9643}}^1$

素因数の和:9712

約数の個数: 16

約数和(自身を含む): 29163456

約数和(自身を除く): 9231375

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9643, 28929, 125359, 376077, 511079, 1533237, 6644027, 19932081]

約数ペア:

[(1, 19932081), (3, 6644027), (13, 1533237), (39, 511079), (53, 376077), (159, 125359), (689, 28929), (2067, 9643)]