18827746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 34911360

約数和(自身を除く): 16083614

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 1913, 3826, 4921, 9842, 13391, 26782, 36347, 70781, 72694, 141562, 254429, 495467, 508858, 990934, 1344839, 2689678, 9413873, 18827746]

約数ペア:

[(1, 18827746), (2, 9413873), (7, 2689678), (14, 1344839), (19, 990934), (37, 508858), (38, 495467), (74, 254429), (133, 141562), (259, 72694), (266, 70781), (518, 36347), (703, 26782), (1406, 13391), (1913, 9842), (3826, 4921)]