19875352

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1381}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 42786720

約数和(自身を除く): 22911368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1381, 1799, 2056, 2762, 3598, 5524, 7196, 9667, 11048, 14392, 19334, 38668, 77336, 354917, 709834, 1419668, 2484419, 2839336, 4968838, 9937676, 19875352]

約数ペア:

[(1, 19875352), (2, 9937676), (4, 4968838), (7, 2839336), (8, 2484419), (14, 1419668), (28, 709834), (56, 354917), (257, 77336), (514, 38668), (1028, 19334), (1381, 14392), (1799, 11048), (2056, 9667), (2762, 7196), (3598, 5524)]