18531986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 13885294

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 319, 341, 638, 682, 899, 937, 1798, 1874, 9889, 10307, 19778, 20614, 27173, 29047, 54346, 58094, 298903, 319517, 597806, 639034, 842363, 1684726, 9265993, 18531986]

約数ペア:

[(1, 18531986), (2, 9265993), (11, 1684726), (22, 842363), (29, 639034), (31, 597806), (58, 319517), (62, 298903), (319, 58094), (341, 54346), (638, 29047), (682, 27173), (899, 20614), (937, 19778), (1798, 10307), (1874, 9889)]