19805338

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19379}}^1$

素因数の和:19461

約数の個数: 16

約数和(自身を含む): 34418880

約数和(自身を除く): 14613542

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19379, 38758, 135653, 271306, 1414667, 2829334, 9902669, 19805338]

約数ペア:

[(1, 19805338), (2, 9902669), (7, 2829334), (14, 1414667), (73, 271306), (146, 135653), (511, 38758), (1022, 19379)]