18222292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 19033388

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 307, 418, 614, 781, 836, 1228, 1349, 1562, 2698, 3124, 3377, 5396, 5833, 6754, 11666, 13508, 14839, 21797, 23332, 29678, 43594, 59356, 64163, 87188, 128326, 239767, 256652, 414143, 479534, 828286, 959068, 1656572, 4555573, 9111146, 18222292]

約数ペア:

[(1, 18222292), (2, 9111146), (4, 4555573), (11, 1656572), (19, 959068), (22, 828286), (38, 479534), (44, 414143), (71, 256652), (76, 239767), (142, 128326), (209, 87188), (284, 64163), (307, 59356), (418, 43594), (614, 29678), (781, 23332), (836, 21797), (1228, 14839), (1349, 13508), (1562, 11666), (2698, 6754), (3124, 5833), (3377, 5396)]