19690144

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8429}}^1$

素因数の和:8512

約数の個数: 24

約数和(自身を含む): 39300660

約数和(自身を除く): 19610516

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8429, 16858, 33716, 67432, 134864, 269728, 615317, 1230634, 2461268, 4922536, 9845072, 19690144]

約数ペア:

[(1, 19690144), (2, 9845072), (4, 4922536), (8, 2461268), (16, 1230634), (32, 615317), (73, 269728), (146, 134864), (292, 67432), (584, 33716), (1168, 16858), (2336, 8429)]