19905592

素因数分解:

$2^3\times 7^1\times {\mathrm{355457}}^1$

素因数の和:355470

約数の個数: 16

約数和(自身を含む): 42654960

約数和(自身を除く): 22749368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 355457, 710914, 1421828, 2488199, 2843656, 4976398, 9952796, 19905592]

約数ペア:

[(1, 19905592), (2, 9952796), (4, 4976398), (7, 2843656), (8, 2488199), (14, 1421828), (28, 710914), (56, 355457)]