19645902

素因数分解:

$2^1\times 3^4\times {\mathrm{121271}}^1$

素因数の和:121285

約数の個数: 20

約数和(自身を含む): 44021736

約数和(自身を除く): 24375834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121271, 242542, 363813, 727626, 1091439, 2182878, 3274317, 6548634, 9822951, 19645902]

約数ペア:

[(1, 19645902), (2, 9822951), (3, 6548634), (6, 3274317), (9, 2182878), (18, 1091439), (27, 727626), (54, 363813), (81, 242542), (162, 121271)]