19964824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{739}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 41025600

約数和(自身を除く): 21060776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 307, 614, 739, 1228, 1478, 2456, 2956, 3377, 5912, 6754, 8129, 13508, 16258, 27016, 32516, 65032, 226873, 453746, 907492, 1814984, 2495603, 4991206, 9982412, 19964824]

約数ペア:

[(1, 19964824), (2, 9982412), (4, 4991206), (8, 2495603), (11, 1814984), (22, 907492), (44, 453746), (88, 226873), (307, 65032), (614, 32516), (739, 27016), (1228, 16258), (1478, 13508), (2456, 8129), (2956, 6754), (3377, 5912)]