18857168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 40101600

約数和(自身を除く): 21244432

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 307, 349, 614, 698, 1228, 1396, 2456, 2792, 3377, 3839, 4912, 5584, 6754, 7678, 13508, 15356, 27016, 30712, 54032, 61424, 107143, 214286, 428572, 857144, 1178573, 1714288, 2357146, 4714292, 9428584, 18857168]

約数ペア:

[(1, 18857168), (2, 9428584), (4, 4714292), (8, 2357146), (11, 1714288), (16, 1178573), (22, 857144), (44, 428572), (88, 214286), (176, 107143), (307, 61424), (349, 54032), (614, 30712), (698, 27016), (1228, 15356), (1396, 13508), (2456, 7678), (2792, 6754), (3377, 5584), (3839, 4912)]