19973872

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26561}}^1$

素因数の和:26616

約数の個数: 20

約数和(自身を含む): 39524256

約数和(自身を除く): 19550384

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26561, 53122, 106244, 212488, 424976, 1248367, 2496734, 4993468, 9986936, 19973872]

約数ペア:

[(1, 19973872), (2, 9986936), (4, 4993468), (8, 2496734), (16, 1248367), (47, 424976), (94, 212488), (188, 106244), (376, 53122), (752, 26561)]