19516338

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15271}}^1$

素因数の和:15350

約数の個数: 24

約数和(自身を含む): 42883776

約数和(自身を除く): 23367438

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15271, 30542, 45813, 91626, 137439, 274878, 1084241, 2168482, 3252723, 6505446, 9758169, 19516338]

約数ペア:

[(1, 19516338), (2, 9758169), (3, 6505446), (6, 3252723), (9, 2168482), (18, 1084241), (71, 274878), (142, 137439), (213, 91626), (426, 45813), (639, 30542), (1278, 15271)]