19221872

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25561}}^1$

素因数の和:25616

約数の個数: 20

約数和(自身を含む): 38036256

約数和(自身を除く): 18814384

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25561, 51122, 102244, 204488, 408976, 1201367, 2402734, 4805468, 9610936, 19221872]

約数ペア:

[(1, 19221872), (2, 9610936), (4, 4805468), (8, 2402734), (16, 1201367), (47, 408976), (94, 204488), (188, 102244), (376, 51122), (752, 25561)]