19897262

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2816

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 18118738

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 2749, 3619, 5498, 7238, 19243, 30239, 38486, 60478, 129203, 211673, 258406, 423346, 904421, 1421233, 1808842, 2842466, 9948631, 19897262]

約数ペア:

[(1, 19897262), (2, 9948631), (7, 2842466), (11, 1808842), (14, 1421233), (22, 904421), (47, 423346), (77, 258406), (94, 211673), (154, 129203), (329, 60478), (517, 38486), (658, 30239), (1034, 19243), (2749, 7238), (3619, 5498)]